Air expansion
[机] 空气膨胀
🧩 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;
🗣️ 情景例句
Who is it?
是谁?
My grandma is 40 years older than me.
我祖母比我大40岁。
As soon as he had finished, Jenny told him she wanted to go home.
他刚一讲完，珍妮就对他说她要回家。