Bifocal lens
[医] 双焦点透镜
🧩 词语组成解析
bifocal
[[bai'fəukəl]]
a. 双焦的\\n[医] 双焦点的
lens
[lɛnz]
n. 透镜，镜头;眼睛中的水晶体;隐形眼镜;汽车的灯玻璃;
🗣️ 情景例句
Have you ever held a secretarial position?
你曾当过秘书吗？
I envy you.
我羡慕你。
A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground.
一种叫“探宝器”的新机器已经发明出来，并被人们用来探测地下埋藏的金子。