Contamination precipitation
[建] 杂质的沉积
🧩 词语组成解析
contamination
[kənˌtæmi'neiʃən]
n. 污染;弄脏;毒害;玷污;
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
I'll take care of it.
我来照顾。
This offer must be withdrawn if we haven't received your reply within five days.
如果5天之内我方未必到贵方答复，该盘撤消。
I'll ask some of the passengers.
我来问问其他乘客。