Impulsor
[数]非共面直线对
🗣️ 情景例句
Yes, I think I can in ordinary circumstances.
是的，一般情况下，我没有问题。
A friend is never known till a man have need.
不到患难时，永远不能认识真正的朋友。
When someone dies, all the relations, old and young, come to the marae for the Maori burial service.
当某人死亡后，所有亲戚，无论老幼，均要到集会地参加毛利人的葬礼。