Bisector
n. 二等分物, 二等分线
✅ 同义词
🗣️ 情景例句
Excuse me. Can you help me?
对不起 你能帮帮我吗
A man apt to promise is apt to forget.
轻诺者易忘。
Excuse me, Mr. Hu. Can you look after my watch, please?
劳驾，胡老师，你能帮我保管一下我的手表吗？