Treadboard
n. 踏板
🗣️ 情景例句
Television is the most powerful tool of persuasion that man has ever created.
电视是人类所创造的最有威力的游说工具。
I was not aware of the danger.
我没有意识到危险。
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。