Certification of fitness
[化] 质量合格证
🧩 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
What's that?
什么问题？
May I have baggage tags?
请给我行李标签好吗？
Mr.Hart has trained his daughter for years.
哈特先生训练她的女儿已经多年了，