Pacesetting
a. 定步速的,定速度的,带头的,领头的
🗣️ 情景例句
Is your wife ill?
是你太太病了吗？
Such beginning, such ending.
有怎样的开始，就有怎样的结束。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？