Certification of product

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];

product ['prɑdʌkt]

n. 产品;结果;乘积;作品;

pro向前+duct引导，带来→引出的东西→产物，产品

He really likes to play the field.

他不喜欢做出承诺。

It smells good.

闻起来味道不错。

You were very kind. You brought out all your jewellery and you told me I could take anything I wanted. There were so many beautiful things that it was hard to choose. And then I saw a lovely diamond necklace with a big blue stone in the centre.

你太好了。当时你把所有的珠宝首饰全都拿了出来，而且说，我要什么就可以拿什么。漂亮的首饰太多了，实在难挑选。后来我终于看中了一条美丽的钻石项链，中间还嵌着一颗大蓝宝石。