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
Mm, the day after tomorrow?
啊，后天？
They had to call in a heart specialist.
他不得不请一位心脏病专家。
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。