Cascade centripetal
[化] 多段冲击采样器
🧩 词语组成解析
centripetal
[sɛn'trɪpɪtl]
adj. 向心（力）的;
centr 【希腊语传入拉丁语】 =center,表示”中心”#词根助记：centri+pet追＋al→追求中心的→向心的##pet =seek,表示”追寻,寻求”#词根助记：centri中心+per+al→追求中心的=向心的
🗣️ 情景例句
It's 5:05.
现在是五点零五分。
He has more power in many ways than the President.
在许多方面他的权力比我总统还大。
The girl asked to see a timetable, feeling sure that her father could not have made such a mistake.
姑娘要求看到时刻表，因为她相信父亲不能把这么大的事弄错。