Radioactive precipitation analysis
[化] 放射性沉淀法
🧩 词语组成解析
precipitation
[prɪ'sɪpə'teʃən]
n. 匆促;沉淀;（雨等）降落;某地区降雨等的量;
pre 前缀,表示….前的,预先#词根助记：pre+cipit头→ation→落在前头→降落,下降
🗣️ 情景例句
Another rags-to-riches success story. Now you can borrow money from him instead of me.
又一个白手起家，发财致富的成功人物。以后你可以向他借钱，不用找我了。
What time's the next train to Washington?
下一趟去华盛顿的车几点开？
Good morning! What's your name, please?
早上好！请问你叫什么名字？