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
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
The proof of the pudding is in the eating.
空谈不如实验。（实践出真知）
The way you speak! Which part of Australia do you come from?
从你讲话的方式！你从澳大利亚哪个地方来？