?? 詞語組成解析
n. 靜脈\\n[醫] 靜脈
??? 情景例句
You look bothered. Is there something I can help you with?
看你好像有點煩惱，有什么我可以幫忙嗎？
It's about an hour.
大概要一個小時。
I will be back by the end of next month.
我下個月底會回來。