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
Long time no see.
好久不见。
Oh, no! I've missed my plane.
糟糕，我错过了我订的航班。
Sometimes were go upstream to a favourite backwater, sometimes we have our party at the boathouse,
有时，我们溯流而上来到我们喜爱的回水河汊举办；有时在船坞举办。