Certificate of soundness
[经] 合格证书
🧩 词语组成解析
certificate
[sɚ'tɪfɪkət]
n. 证明书;文凭，结业证书;
vt. 发给证明书;用证书证明（或认可）;
cert 搞清 + ifi=fy表动词 + cate表名词 → certify搞清楚=证明+ cate表名词 → 证件
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];
soundness
[['saundnis]]
n. 完全坚固, 稳固, 公正\\n[机] 无疵
🗣️ 情景例句
But it's kind of small also. We must've bought the wrong size.
但它也有点小了。我们一定买错了尺寸。
Slow help is no help.
帮忙不及时，等于不帮忙。
But I can't find it. I think I've lost it.
但我现在找不到了。我想我弄丢了。”