Backup ring
[化] 垫圈
🧩 词语组成解析
backup
['bækˌʌp]
n. 支持，后援;阻塞;<计>备份文件;[乐]伴奏;
adj. 备用的，后补的;支持性的;伴奏的;
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
I have to run.
我得赶紧走了。
I think it's going to break soon.
我认为它将很快被打破。
They had large rooms with beautifully decorated walls.
里面房间很大，墙壁装饰华丽。