Fallback circuit
[计] 备份电路
🧩 词语组成解析
fallback
[ˈfɔlˌbæk]
n. 可依靠的东西，退却;回降物;
🗣️ 情景例句
Not really.
不是吧。
I invited him to come over, but he wouldn't.
我请他过来，但是他不肯。
No, it's not him.
不对，也不是他。