Ultrasonic polymerization - [化] 超声波聚合，怎么读怎么用

🧩 词语组成解析

ultrasonic [,ʌltrə'sɑnɪk]

adj. [声]超声的;超音波的，超音速的; n. 超声波;

ultra超出，超过+son声音+ic形容词后缀，…的→超音速的

polymerization

n. 聚合\\n[化] 叠合反应; 聚合; 聚合反应

Maybe we should hang out sometime.

我们什么时候可以一起出去散散心。

The homework took me a whole day.

做家庭作业花了我一整天的时间。

I would like to express to all of you here our sincere welcome.

让我向在座诸位致以最真挚的欢迎。’

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