Vdem.
[医] 血管减压物质
🗣️ 情景例句
Are the beaches safe for swimming?
在这儿的海滩游泳安全吗？
I'd better be going.
我得告辞了。
I've come to make sure that your stay in Beijing is a pleasant one.
我特地为你们安排使你们在北京的逗留愉快。