Certification of proof
[化] 检验证书; 检验证明书
🧩 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];
proof
[pruf]
n. 证明;校样;检验;（酒的）标准酒精度;
adj. 防…的;抗…的;能抵御;能防范;
vt. 给（织物）做防护处理，使防水（或防火等）;印…的校样;
vi. [印刷术] 校对;发酵;
prob, prov Prob, prov= test, 表示”测试,证明, 检验”
🗣️ 情景例句
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
How can he give us such a tedious lecture!
他怎么能做这么沉闷乏味的演讲。
At one point, it seemed certain that their plane would crash.
在有个地方，飞机似乎肯定要坠毁了。