Obligatio
[法] 债, 债权, 债务
🗣️ 情景例句
A clip-on?
用夹上去的？
I'm combing my hair in the bathroom.
我在浴室梳头。
When the instrument is situated at more than 700 miles from the earthquake centre,
如果把这种仪器安装在距震源700多英里远的地方，