🧩 词语组成解析
non
[[nɔn]]
adv. 非, 不
certification
[ˌsə:tifi'keiʃən]
n. 证明，鉴定，证书;
🗣️ 情景例句
Anything particular you want to know? Let me hear about it.
有什么特别问题你需要了解吗？说来让我听听。
I took charge of the group.
我管理过那批人。
The students followed Uncle Wang to see the other machine.
学生们跟着王大叔去看另一部机器。