Concavation
凹度
🗣️ 情景例句
Please have …call me back. My name is… and my number is …
请让……给我回电话。 我的名字是……我的电话号码是……
In for a penny,in for a pound.
做事一开头，就要做到底；一不做，二不休。
We're going to spend three days in the country.We're going to stay at my mother's for the weekend.
我们打算到乡下去三三，在我母亲家度周末。