Certification of product
[化] 产品证明书
🧩 词语组成解析
certification
[ˌsə:tifi'keiʃən]
n. 证明，鉴定，证书;
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
If the fact is published, it will ruin your reputaiton.
一旦公布事实真想就会毁了你的名誉。
Let's go. I'll buy you a drink.
走，我请你喝一杯！
Excuse me, Han Meimei. I can't find the broom. Can you see it?
我找不到扫帚了，韩梅梅，你看见了吗？