Hologeny
个体系统发生
🗣️ 情景例句
We're in luck.
我们运气好。
Is there any discount for the USA Railpass?
火车通行证有折扣吗？
Hmm! I think I can mend it. But I want a knife. Do you have a knife?
我想我可以，但需要一个小刀，你有吗？