Precipitation method
[化] 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
Bye.
再见。
Many great men have arisen from humble beginnings.
有许多伟人出身卑微。
Don't crowd round him, said the gate keeper.
“不要围着他，”学校门卫说。