🧩 词语组成解析
cluster
['klʌstɚ]
n. 丛;簇,串;群;[语言]辅音群;
vi. 丛生;群聚;
vt. 使密集,使聚集;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
differentiation
[[ˌdifərenʃi'eiʃən]]
n. 区别, 分化, 变异\\n[医] 鉴别, 区别, 分化[作用], 微分法
🗣️ 情景例句
Your car needs a tune-up.
你的车该整修了。
Excuse me for a moment.
失陪一会儿。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上,笔尖落在地板上的一张纸上,