Ammonium sulphate precipitation
[机] 硫酸氨沉淀
🧩 词语组成解析
n. 铵\\n[化] 铵
n. 硫酸盐, 硫酸酯\\nvi. 硫酸盐化
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
He has an old head on young shoulders.
他年轻又有见识。
Do I need a reservation for the dining car?
我需要预订餐车吗？
You forget that I was a medical student once upon a time.'
你忘了我以前是学医的了。”