Impulsor
[数]非共面直线对
🗣️ 情景例句
Of course. I've seen you on television.
当然。我在电视上看见过你。
Let difficulties occur but not the loss of courage.
纵使困难重重，也不丧失勇气。
I must finish that first. But I think I can be free at six. May I come then?
00可能有空。我那时来可以吗？