Bethumb
用拇指弄脏或留下痕迹
🗣️ 情景例句
There's no doubt about that.
此事确定无疑。
Friends are lost by calling often and calling seldom.
交往过密过疏，都会失去朋友。
I don't like to be late. We begin classes at 8:00.
我不喜欢迟到。我们八点上课。