Sewage aeration
[化] 污水曝气
🧩 词语组成解析
sewage
['sju(:)idʒ]
n. （下水道里的）污物;下水道;污水;
n. 通风\\n[化] 换气; 曝气
🗣️ 情景例句
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
Remember me to your mother please.
请替我问候你的母亲。
He spent a miserable day in bed thinking of all the fun he was missing.
他在床上郁郁不乐地躺了一天，想着他错过的种种欢乐。