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
Well, good night.
好吧， 晚安。
He would direct the workman to use his plans.
他为了执行自己的计划，给员工下了指示。
I mean you eat too much food, but you don't take enough exercise, said the doctor.
“我的意思是你吃得太多，但运动不够，”医生说。