Nonstable
非[不]稳定的
🗣️ 情景例句
Can I buy travelers checks here?
这儿能买旅行支票吗？
You were here in February,weren't you?
二月份你曾在这里，对不对？
Don't close the window, Jim.Is he closing the window, Lily?
吉姆请不要把窗户关上。莉莉，他在关窗吗？