Moontracking
月球跟踪
🗣️ 情景例句
We're going to take it slow first.
开头我们要做慢一点。
It's no trouble at all. I'll carry this suitcase for you.
一点也不麻烦，我来替你提这只箱子。
I've worked here since 1989.
我自1989年以来便在这家工厂工作了。