Detrimental impurity
[化] 有害杂质
🧩 词语组成解析
🗣️ 情景例句
Bicycle theft is on the increase in the big cities.
大城市里盗窃自行车的案件与日俱增。
The snake curls up.
蛇盘成一团。
The next evening the man upstairs came home from work late as usual.
第二天晚上，楼上人和平时一样很晚才下班回家。