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'm going to the library to do some research.
我要去图书馆搞些调研。
It was a real pleasure for me to do it.
我很乐意这样做。
In cities he refused to travel in a rickshaw, a two-wheeled cart pulled by a bare-footed man.
在城里，他拒绝乘坐那种赤脚车夫拉的两轮人力车。