✅ 同义词
🏥 医学释义
针头的（径）号
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
We would be glad to start business with you.
我们很高兴能与贵公司建立贸易往来。
How long are you staying in Xi'an?
你要在西安呆多久？