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
Give me a chance to think about it,
给我一个机会想一想，
If you take quality into consideration, you will find our price reasonable.
如果您把质量考虑进去的话，您会发现我方价格是合理的。
It's a waste of time reading that book. It's rubbish.
看那本书真是浪费时间。那简直是垃圾。