Optical centre of lens
[化] 透镜光心
🧩 词语组成解析
centre
['sentər]
n. 中心;（市镇的）中心区;中心点;中枢;
vt.& vi. 置于中央;集中;把…当作中心;（使）成为中心;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
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
So good to see you all!
看到你们大家真高兴！
These clothes are too short, they need to be let down.
这些衣服太短了需要去改一下。
At the moment, they cover every inch of floor space and I actually have to walk on them to get in or out of the room.
这会儿，书把地板的每一点空隙都占据了，我实际上是踩着这些书进出房间的。