Keystoner
n. 美国宾夕法尼州人之绰号
🗣️ 情景例句
International travel involves a lot of waiting around in airports.
经常在机场等候是环球旅行的一部分。
You must be crazy to go walking in such awful weather.
你一定是头脑发昏了，这么坏的天气还去散步。
Can't you do anything right?
成事不足，败事有余。