Machinery certificate
[化] 机器合格证
🧩 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
🗣️ 情景例句
His wife just found out about his mistress.
他的妻子刚刚发现了他有外遇。
We used to have a lot of fun when we were that age.
当我们是变老时，我们过去常有很多趣事。
There she studied the teaching of deafblind children.
在那里，她学习聋盲儿童的教学工作。