Retd
abbr. retained 保持的; retired 退休的; 退却的; returned 已回国的
📖 牛津释义
retd
abbr 缩写 = ret.
🗣️ 情景例句
You do the same. Well, I'd better go. Thanks again for everything.
你也代我问候一声。好，我得走了，再次谢谢你们的招待。
What does your father do?
你父亲做什么工作？
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。