Duplicability
可加倍，可再发生
🗣️ 情景例句
Yes, I think it's important for me to be there
是的 ，我想我在场是非常重要的。
At what time?
什么时间？
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。