Protostellar
a. [天]原恒星的,形成恒星的
🗣️ 情景例句
I'm sorry, I really don't know.
对不起，我真的不知道。
How long is Jones Boulevard?
琼斯大街有多长？
In less than a minute, it roared past them only a few feet away.
不到1分钟的工夫，它从离他们只有几英尺远的地方呼啸着驶了过去。