Envelopes
n. 信封( envelope的复数形式 )
🗣️ 情景例句
OK. Do you want to get better?
好，你想把病治好吗？
Careful!
小心！
Why don't you buy a radio? Then you can listen to China Radio International or BBC English programmes on the radio.
你为什么不买台收音机呢？那样你就能听中国国际广播电台或者BBC英语广播节目了。