C1 noun /jiːld ˌɒptɪmaɪˈzeɪʃən/

yield optimization

収穫最適化

Meaning

The process of maximizing the productivity or efficiency of crop production through various agricultural techniques and practices.

Example

Yield optimization techniques can significantly improve crop production.

収穫最適化技術は作物生産を大幅に改善できます。

B1 noun /ˈjʌŋstər/

Youngster

若者; 子供またはティーンエイジャー; 経験が若い人

Meaning

a young person; a child or teenager; someone who is young in experience

Example

The youngster showed great talent in sports.

その若者はスポーツで大きな才能を見せました。

A1 pronoun /jɔːrz/

yours

あなたの

Meaning

belonging to or associated with the person or people that the speaker is addressing

Example

This pen is yours.

このペンはあなたのです。

B2 noun /jel/

Yell

叫び声; 叫ぶ; 怒鳴り声

Meaning

a loud, sharp cry of pain, surprise, or delight; to shout loudly

Example

He let out a yell when he saw the spider.

彼はクモを見たとき、大声で叫びました。

A2 noun /juːθ/

Youth

青春; 若者

Meaning

the period between childhood and adult age; young people collectively; the state of being young

Example

He spent his youth traveling around the world.

彼は若い頃、世界を旅して過ごしました。

A1 noun /ˈjɛstərdeɪ/

yesterday

昨日

Meaning

the day before today

Example

Yesterday, we went to the park.

昨日、公園に行きました。

C2 noun /ˈjoʊmən/

yeoman

農民 / 忠実な従業員

Meaning

A farmer who cultivates his own land; also used to describe someone performing loyal, useful service.

Example

He did yeoman service in completing the project on time.

彼はプロジェクトを時間通りに完了させるために忠実にサービスを提供しました。

A1 interjection /jɛə/

yeah

はい

Meaning

used to express agreement or affirmation

Example

Yeah, I’ll go to the store with you.

はい、私はあなたと一緒に店に行きます。

B2 noun /jɔːn/

Yawn

あくび

Meaning

an involuntary opening of the mouth and inhalation of air due to tiredness or boredom

Example

She couldn't suppress a yawn during the boring lecture.

退屈な講義の最中にあくびを抑えることができなかった。

B2 noun jiːld

yield

収益, 利益

Meaning

A financial return or reward (especially a dividend or interest) from an investment.

Example

The investment yielded high returns last year.

その投資は昨年、高いリターンをもたらしました。

B2 adjective /ˈjuːθfəl/

Youthful

若々しい; エネルギッシュで新鮮な

Meaning

having the qualities of youth; energetic and fresh

Example

Her youthful energy impressed everyone at work.

彼女の若々しいエネルギーは職場の全員に感銘を与えました。

A1 adjective /jʌŋ/

Young

若い; 新しい

Meaning

having lived for a short time; not old; recent

Example

The young tree needs more water to grow.

若い木は成長するためにもっと水が必要です。

A2 noun /jɑːrd/

Yard

庭; 家の隣の土地

Meaning

a unit of linear measure equal to 3 feet; an area of land immediately adjacent to a building

Example

The children played in the back yard.

子供たちは裏庭で遊んでいました。

A1 adjective /ˈjeloʊ/

Yellow

黄色い; 臆病な

Meaning

having the color of the sun or gold; cowardly

Example

The yellow flowers bloomed in spring.

黄色い花が春に咲きました。

C1 noun /jiːst/

Yeast

イースト

Meaning

microorganisms used in baking and brewing to cause fermentation

Example

Add yeast to the flour to make the bread rise.

パンを膨らませるために小麦粉にイーストを加えます。

A1 pronoun /jɔːrˈsɛlf/

yourself

自分自身

Meaning

used to refer to the person being addressed, often for emphasis or reflection

Example

You should look after yourself.

自分自身の世話をしなさい。

A1 noun /jɪə/

year

年

Meaning

a period of 365 or 366 days, divided into 12 months

Example

This year, we are planning a trip to the mountains.

今年、私たちは山への旅行を計画しています。

A2 adverb /jet/

Yet

まだ; 今まで;

Meaning

up to now or a specified time; still; however; nevertheless

Example

He hasn't finished his homework yet.

彼はまだ宿題を終わらせていない。

C2 noun /ˈjoʊkəl/

yokel

田舎者

Meaning

An uneducated and unsophisticated person from the countryside; a bumpkin.

Example

The city folks laughed at the yokel's simple ways.

都会の人々は田舎者の簡単な方法を笑った。

C1 noun /ˈjeloʊ oʊliˈændər/

Yellow oleander

黄色のオレアンダー

Meaning

a tropical flowering shrub with bright yellow flowers; also known as lucky nut

Example

The yellow oleander blooms throughout the year in warm climates.

黄色のオレアンダーは暖かい気候で一年中花を咲かせます。

C2 noun /ˈjɪərlɪŋ/

yearling

1歳の動物、特に馬

Meaning

an animal that is one year old, especially a horse

Example

The farmer sold the yearling at the livestock market.

農夫はそのイヤーリングを家畜市場で売りました。

A1 pronoun /jɔːr/

your

あなたの

Meaning

used to indicate possession or association

Example

Your book is on the table.

あなたの本はテーブルの上にあります。

C1 verb /jɜːrn/

yearn

切望する

Meaning

to have a deep longing or desire for something

Example

She yearned for her homeland after living abroad for years.

彼女は何年も海外に住んだ後、故郷を恋しがっていた。

C1 noun /jɑːrn/

Yarn

糸

Meaning

spun thread used for knitting, weaving, or sewing; a long or rambling story

Example

She bought colorful yarn for knitting a sweater.

彼女はセーターを編むためにカラフルな糸を買いました。

B2 noun/verb jiːldz

yields

収穫量

Meaning

The amount of agricultural produce harvested per unit of land area.

Example

Crop yields have declined due to extreme weather.

作物の収穫量は極端な天候により減少しました。

B2 noun /joʊlk/

Yolk

卵黄

Meaning

the yellow internal part of a bird's egg, especially a hen's egg, which is rich in protein and fat

Example

She separated the egg white from the yolk.

彼女は卵白を卵黄から分けました。

C1 noun /joʊk/

Yoke

くびき

Meaning

a wooden crosspiece that is fastened over the necks of two animals and attached to a plow or cart; a burden or oppressive situation

Example

The oxen were joined by a wooden yoke.

牛は木製のくびきでつながれていました。

A1 adverb /jɛs/

yes

はい

Meaning

used to express affirmation, agreement, or consent

Example

Yes, I will be there at 5 o'clock.

はい、5時にそこに行きます。

B2 noun /jʌŋ fɪʃ/

Young fish

幼魚

Meaning

juvenile or small fish; fish that has not reached maturity

Example

Young fish need protection from predators.

幼魚は捕食者から守られる必要があります。

C1 noun /jɛn/

yen

欲望

Meaning

A deep, strong desire or craving.

Example

She felt a strong yen to travel the world.

彼女は世界を旅したいという強い欲望を感じた。

C2 noun /jɔːr/

yore

過去

Meaning

Time long past; bygone days.

Example

Legends of yore still inspire people today.

過去の伝説は今でも人々に影響を与え続けています。

A1 pronoun /juː/

you

あなた

Meaning

used to refer to the person or people being spoken to

Example

You are doing a great job!

あなたは素晴らしい仕事をしています！