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
Okay, hold on a second. I'll talk to him.
好的，我跟他说，你等一下。
He who rides a tiger is afraid to dismount.
骑虎者难下。
There are some good apples over there.
那边有些好苹果。