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n. 电子邮件客户端
🗣️ 情景例句
I wonder what the problem is.
我不知道发生了什么问题。
Did you go hunting last yesterday?
你昨天去打猎了吗？
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，