Proprio motu
[拉] (=of one's own accord)自愿, 自动
🧩 词语组成解析
abbr. Mobile Optical Tracking Unit 流动光学跟踪设备[装置]
🗣️ 情景例句
I'm sorry. Really, I'm sorry.
我为你难过 真的为你难过。
It's no trouble at all. I'll carry this suitcase for you.
一点也不麻烦，我来替你提这只箱子。
To be honest with you，I'm twenty.
老实说，我20岁。