Retractometer
收缩仪
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
Why don't you join us?
你不加入我们吗？
No, I don't. Would you get it, please?
没有。你帮我拿一下吧。