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
Let's put some of this stuff away and then take off.
让我们把部份东西拿出来， 然后就走啦。
Who is the mayor of this city?
谁是这城市的市长？
This mooncake is very nice.
这个月饼很好。