Concave lens
[化] 凹透镜\\n[医] 凹透镜, 近视镜片
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
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
I guess you know what's best for the family and for me.
我猜想你们一定知道怎样做对整个家庭和我是最有利的。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
and often are foolish enough to let the adolescents see that they are annoyed.
而且愚蠢地让孩子看出自己的烦恼。