Mathematical pendulum 释义与例句英语词汇详解

🧩 词语组成解析

mathematical [,mæθə'mætɪkl]

adj. 数学的;精确的;绝对的;可能性极小的;

mathemat数学 + ic...的+al ...的 → a.数学的，数学上的

pendulum ['pɛndʒələm]

n. 摆，钟摆;摇摆不定的事态（或局面）;

Pend悬挂+ulum东西→摆着的东西→钟摆

I'm so glad you found the bag and took the time and trouble to return it.

我很高兴你发现了旅行袋而且不怕麻烦花时间将它送来。

Ouch, that hurts!

哎呦，好痛呀！

Not all sounds made by animals serve as language.

动物发出的声音不都是用作语言交际。

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