Impulsor
[数]非共面直线对
🗣️ 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。
We were waiting for a sight of the Queen.
我们正等着一睹女王的风采。
He had found his family, and his roots at last!
他终于找到了他的家族，他的“根”了！