🧩 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;
🗣️ 情景例句
What year were you born in?
你是哪一年生的？
Don't try to pull one over me!
别想骗我！
Here's your copy of the contract.
这是你的那一份契约。