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
and we'll go out to dinner.
然后我们到外面吃晚饭。
This is a profitable transaction.
这是一笔有利可图的交易。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。