Transilluminator
[医] 透照器
🗣️ 情景例句
but ... but I've been noticing
但……但我注意到
In college I majored in physics, What was you major?
大学时我主修物理，你主修什么呢？
Excuse me. Do you have an eraser?
对不起，你有橡皮吗？