Vertex of lens
[医] 透镜顶
🧩 词语组成解析
vertex
['vɝtɛks]
n. 最高点;顶点;<数>（三角形、圆锥体等与底相对的）顶;（三角形、多边形等的）角的顶点;
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
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
You have to change at chicago station.
你必须要在芝加哥站转车。
for there was a danger that if she traveled too quickly, this rudder would be torn away as well.
因为船不能开得太快，否则就有危险，应急舵也会被刮走。