C1 noun /jiːld ˌɒptɪmaɪˈzeɪʃən/

yield optimization

产量优化

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.

产量优化技术可以显著提高作物生产。

C2 noun /jɔːr/

yore

过去

Meaning

Time long past; bygone days.

Example

Legends of yore still inspire people today.

过去的传说至今仍然激励着人们。

C1 noun /jɑːrn/

Yarn

纱线

Meaning

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

Example

She bought colorful yarn for knitting a sweater.

她买了彩色的纱线来编织一件毛衣。

A1 noun /ˈjɛstərdeɪ/

yesterday

昨天

Meaning

the day before today

Example

Yesterday, we went to the park.

昨天我们去了公园。

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，我们计划去山里旅游。

A1 pronoun /jɔːrz/

yours

你的

Meaning

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

Example

This pen is yours.

这支钢笔是你的。

C1 verb /jɜːrn/

yearn

渴望

Meaning

to have a deep longing or desire for something

Example

She yearned for her homeland after living abroad for years.

她在国外生活多年后，渴望着她的家乡。

B2 noun /joʊlk/

Yolk

蛋黄

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.

她将蛋清与蛋黄分开。

B2 noun/verb jiːldz

yields

产量

Meaning

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

Example

Crop yields have declined due to extreme weather.

农作物的产量因极端天气而下降。

B1 noun /ˈjʌŋstər/

Youngster

年轻人; 一个孩子或青少年; 经验较年轻的人

Meaning

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

Example

The youngster showed great talent in sports.

这个年轻人在运动中展示了很大的天赋。

C1 noun /ˈjeloʊ oʊliˈændər/

Yellow oleander

黄色夹竹桃

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.

黄色夹竹桃在温暖的气候中一年四季开花。

B2 noun /jɔːn/

Yawn

哈欠

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.

她在无聊的讲座中无法抑制哈欠。

C1 noun /joʊk/

Yoke

轭

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.

这些牛被木制的轭连接在一起。

C1 noun /jɛn/

yen

渴望

Meaning

A deep, strong desire or craving.

Example

She felt a strong yen to travel the world.

她感到强烈的渴望去环游世界。

B2 noun /jel/

Yell

叫喊; 尖叫; 哭喊

Meaning

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

Example

He let out a yell when he saw the spider.

他看到蜘蛛时发出了尖叫。

A1 adjective /jʌŋ/

Young

年轻; 最近

Meaning

having lived for a short time; not old; recent

Example

The young tree needs more water to grow.

年轻的树需要更多水才能生长。

A2 adverb /jet/

Yet

直到现在; 还;

Meaning

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

Example

He hasn't finished his homework yet.

他还没有完成作业。

C2 noun /ˈjoʊmən/

yeoman

农民 / 忠诚的员工

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.

他在按时完成项目时做了忠诚的工作。

C1 noun /jiːst/

Yeast

酵母

Meaning

microorganisms used in baking and brewing to cause fermentation

Example

Add yeast to the flour to make the bread rise.

把酵母加到面粉中，让面包发起来。

C2 noun /ˈjoʊkəl/

yokel

乡巴佬

Meaning

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

Example

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

城市人嘲笑乡巴佬的简单方式。

A1 adjective /ˈjeloʊ/

Yellow

黄色的; 胆小的

Meaning

having the color of the sun or gold; cowardly

Example

The yellow flowers bloomed in spring.

黄色的花在春天盛开。

B2 adjective /ˈjuːθfəl/

Youthful

年轻的; 充满活力和新鲜感

Meaning

having the qualities of youth; energetic and fresh

Example

Her youthful energy impressed everyone at work.

她的青春活力给工作上的每个人留下了深刻印象。

A2 noun /juːθ/

Youth

青春; 年轻人

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.

他在年轻时环游世界。

B2 noun /jʌŋ fɪʃ/

Young fish

幼鱼

Meaning

juvenile or small fish; fish that has not reached maturity

Example

Young fish need protection from predators.

幼鱼需要防止被掠食者攻击。

A1 pronoun /juː/

you

你

Meaning

used to refer to the person or people being spoken to

Example

You are doing a great job!

你做得很好！

C2 noun /ˈjɪərlɪŋ/

yearling

一岁动物，尤其是马

Meaning

an animal that is one year old, especially a horse

Example

The farmer sold the yearling at the livestock market.

农民在牲畜市场卖掉了那只伊尔林。

A1 pronoun /jɔːrˈsɛlf/

yourself

自己

Meaning

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

Example

You should look after yourself.

你应该照顾自己。

B2 noun jiːld

yield

收益, 利润

Meaning

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

Example

The investment yielded high returns last year.

投资去年带来了高回报。

A1 adverb /jɛs/

yes

是

Meaning

used to express affirmation, agreement, or consent

Example

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

是的，我会在五点到那里。

A1 pronoun /jɔːr/

your

你的

Meaning

used to indicate possession or association

Example

Your book is on the table.

你的书在桌子上。

A1 interjection /jɛə/

yeah

是的

Meaning

used to express agreement or affirmation

Example

Yeah, I’ll go to the store with you.

是的，我会和你一起去商店。

A2 noun /jɑːrd/

Yard

院子; 附近的空地

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.

孩子们在后院玩耍。