Preparation of specimen
[医] 标本制作
🧩 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
Why do we need a swimming pool? Everyone in the family hates swimming!
我们需要游泳池做什么呢？家里人都讨厌游泳。
Last month was December,wasn't it ?
上个月是十二月，对不对？
His great flight lasted thirty-seven minutes.
他这次伟大的飞行持续37分钟。