Racetracker
n. = racegoer
🗣️ 情景例句
You've changed a lot since I last saw you.
自从我上次见到你以来，你改变了很多。
What number should I dial to get the operator?
我应该拨什么号码找到接线员？
Can we substitute in these things?
这几项可以用替代品吗？