Precipitation reaction
[医] 沉淀反应
🧩 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
Cheep up! things will work out for the best.
高兴点儿。事情会有好结果的。
I'm afraid not. She doesn't have any openings in the morning.
恐怕不行。上午她没有空。
To be honest with you，I'm twenty.
老实说，我20岁。