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
We have finally concluded the transaction through negotiation.
经过谈判，我们终于达成了一笔交易。
He knows much who knows how to hold his tongue.
懂得缄默的是明白人。
You must look after it. Give it to Mr. Hu.
你一定要好好保管啊！让胡老师帮你拿着。