Vdem.
[医] 血管减压物质
🗣️ 情景例句
Excuse me? What did you say?
对不起，你说什么？
What's your favorite kind of entertainment?
你最喜欢的娱乐是什么？
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，