quiescence
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C2 noun /kwɪˈɛsəns/

quiescence

静止
Meaning
A state of quietness, inactivity, or dormancy.
Example
The volcano has been in a state of quiescence for decades.
火山已经处于静止状态几十年了。
C2 adjective /kwɪkˈsɑː.t̬ɪk/

quixotic

极端理想主义的、不切实际的和不实际的
Meaning
Extremely idealistic, unrealistic, and impractical.
Example
His quixotic dreams often led to disappointment.
他那些不切实际的梦想常常导致失望。
C2 noun /ˈkwɔːrtoʊ/

quarto

四折书
Meaning
A book size resulting from folding each printed sheet into four leaves (eight pages).
Example
The library has rare Shakespeare quartos.
图书馆里有稀有的莎士比亚四折书。
C2 verb, noun /ˈkweɪvər/

quaver

颤抖
Meaning
To shake or tremble in speaking, typically through nervousness or emotion.
Example
Her voice quavered as she spoke before the crowd.
她的声音在讲话时颤抖，尤其是在人群面前。
C2 noun /kwaɪˈiːtəs/

Quietus

死亡或导致死亡的事物；最终解决
Meaning
death or something that causes death; a final settlement
Example
The hero received his quietus from the villain's sword.
英雄从反派的剑下获得了他的安息。
C2 verb /kwɒf/

quaff

一口喝下
Meaning
to drink something heartily or in large gulps, especially an alcoholic drink
Example
He quaffed a mug of ale after the long day.
他在长时间工作后，一口气喝完了一杯啤酒。
C2 noun /kwiːn kreɪp ˈmɜːrtəl/

Queen crape myrtle

皇后夹竹桃
Meaning
A flowering tree with colorful, crepe-like flowers, scientifically known as Lagerstroemia
Example
The Queen crape myrtle bloomed beautifully in the garden with its purple flowers.
皇后夹竹桃在花园里盛开，紫色的花朵美丽地绽放。
C2 adjective /kwaɪˈesnt/

Quiescent

静止的; 安静的; 不活跃的;
Meaning
quiet; peaceful; inactive; dormant; at rest
Example
The volcano has been quiescent for over a century.
火山已经沉寂了一个多世纪。
C2 noun /ˈkwɪzlɪŋ/

quisling

叛徒
Meaning
A traitor who collaborates with an enemy force occupying their country.
Example
During the war, he was branded a quisling for aiding the invaders.
在战争期间，他因帮助入侵者而被贴上了“奎斯林”标签。
C2 noun /ˈkwaɪəˌtuːd/

quietude

宁静
Meaning
A state of stillness and tranquility.
Example
She enjoys the quietude of the countryside.
她享受乡村的宁静。
C2 adjective /ˈkwɛrʊləs/

querulous

抱怨的
Meaning
Complaining in a whining or irritable manner.
Example
The querulous customer kept finding fault with every detail.
那个抱怨的顾客一直在找每个细节的错误。
C2 noun /ˈkwɒdrʊpɛd/

quadruped

Meaning
an animal that walks on four feet
Example
Most mammals are quadruped creatures adapted for running and stability.
C2 noun /ˌkiː ˈviːv/

qui vive

警觉
Meaning
A state of alertness or vigilance.
Example
The guards were on the qui vive during the night.
警卫们在夜间保持警觉。
C2 noun /ˈkwɪkˌsɪlvər/

quicksilver

水银
Meaning
Mercury; a liquid metal, or something that is quick and unpredictable.
Example
His mood was as changeable as quicksilver.
他的情绪像水银一样变化无常。
C2 adjective /kwəʊˈtɪdiən/

quotidian

日常的，普通的
Meaning
Ordinary or everyday, especially when mundane.
Example
He focused on the quotidian details of family life.
他专注于家庭生活中的日常细节。
C2 noun kwɔːrk

quark

夸克
Meaning
A fundamental subatomic particle that combines to form protons and neutrons.
Example
Quarks form protons and neutrons.
夸克形成质子和中子。
C2 adjective /ˈkwɒdreɪt/

quadrate

方形
Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
瓷砖呈现出整齐的方形形状，使地板看起来整洁。