Air contamination
[化] 空气污染
🧩 词语组成解析
air
[ɛə]
n. 天空;气氛;空运;（简单易记的）曲调;
vt.& vi. 晾晒;烘干;播送;广播;
vt. 使房间通风， 透气;
contamination
[kənˌtæmi'neiʃən]
n. 污染;弄脏;毒害;玷污;
🗣️ 情景例句
No. She's at work now.
不在，她正在上班。
I have a toothache.
我牙好痛。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。