Surveillance of disease
疾病监视
🧩 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
No. That's about all.
没有。大概就是这些。
Carry out God's will.
替天行道。
And I want a large box of chalk, too.
我还要一大盒粉笔。