Centrage
[医] [折射]中心线
🗣️ 情景例句
Have a nice evening.
祝你们今晚愉快。
Sorry, it's broken. You have to use the stairs.
对不起，它坏了，你只能走楼梯了。
Aeroplanes have the reputation of being dangerous and even hardened travellers are intimidated by them.
飞机以危险而著称，连老资格的旅行者也怕飞机。