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
She called to say the plane was delayed.
她打电话回来， 告诉我们飞机误点。
Kate is smarter than I.
凯特比我聪明。
Oh, good evening. May I speak to Ann, please?
噢，晚上好！我想跟安讲话，行吗？