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
How many classes are you taking this semester?
这学期你有多少课？
The scent of roses is wonderful.
玫瑰的芳香非常棒！
His vanity was hurt by their talking so frankly.
他们坦率的谈话伤害了他的虚荣心。