Bifocals
n. 双光眼镜
📖 牛津释义
bifocals
n [pl] spectacles with bifocal lenses 双光眼镜
a pair of bifocals 一副双光眼镜.
🗣️ 情景例句
Mom, give me a break.
妈， 让我喘口气。
When did you go cooking?
你什么时候去做饭？
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。