Air mattress
充气床垫
🧩 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;
mattress
['mætris]
n. 床垫;褥垫;空气垫;[建]沉排;
🗣️ 情景例句
How long will this be on sale?
这种商品减价时间有多久？
What do you plan to do this Friday?
明天你打算干什么？
Just now we all watched you sign to show that you had received the cheque.
刚才我们大家都观察到了你为表明已收到那张支票而签名。