Aeration of sewage
[医] 污水曝气处理
🧩 词语组成解析
n. 通风\\n[化] 换气; 曝气
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
sewage
['sju(:)idʒ]
n. （下水道里的）污物;下水道;污水;
🗣️ 情景例句
At this hour?
在这个时候？
Please answer the door.
请去开门。
but ten months later, she received a letter from a girl in Holland.
但10个月以后，她收到了荷兰一位姑娘的来信。