Department of biology
生物学系
🧩 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
Well, this is something to think about.
噢， 这种事确实需要想一想。
These pills can be obtained by prescription only.
这些药丸只有凭医生处方才能买到。
See if you can find out what the joke is.
看你是否能找出其好笑在何处。