Officia
[医]法定的，正式的
🗣️ 情景例句
Yeah, and I have to finish this report by four.
是，我在四点之前得完成这个报告。
When are you going to swear off cigarettes?
你打算什么时候发誓戒烟？
My cousin's a sailor.
我的堂兄是个海员。