Fcc certification
[计] 联邦通信委员会认证
🧩 词语组成解析
[计] 联邦通信委员会\\n[化] 流化床催化裂化
certification
[ˌsə:tifi'keiʃən]
n. 证明，鉴定，证书;
🗣️ 情景例句
I take after my mother's family.
我像我母亲家的人。
It's not gonna work.
行不通的啦！
Excuse me. Where's the nearest post office, please?
请问，最近的邮局在哪儿？