Triangle of necessity
[医] 颈动脉下三角
🧩 词语组成解析
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];
🗣️ 情景例句
Birds are good pets, they can wake you up by singing in the morning.
鸟是很好的宠物，它们早上的歌声可以将你从梦中唤醒。
Please come to the airport by eight thirty at the latest.
最迟要在8点30分到达机场。
Really? You came at a bad time of year, I'm afraid!
真的？恐怕你来的不是时候。