Captcha
n. 验证码
🗣️ 情景例句
What do you do for a living?
你以什么为生？
Did you watch the new office building being built?
你看过在建设中的新的办公楼吗？
If you don't work, you will fail to pass the exam.
如果你不学习，你考试就会不及格。