Tribometer
n. 摩擦计
🗣️ 情景例句
Will I have to wait long?
要很久吗？
What's the point of feeling blue?
有什么好悲伤的？
No, not any more. It used to be free but now you have to pay to get in.
不，不再免费了。过去是免费，可现在得付钱才能进去呢。