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 have a heavy class load this term.
这个学期我的功课很重。
It's been a long time.
好久不见了。
These movements are controlled by the trainer with the metal-pointed stick,
训练员要用有锋利金属尖的长棒控制它的这种举动，