Isoendomorphism
等自同态
🗣️ 情景例句
Dogs make great pets, but don't leave them alone with small children.
狗是最好的宠物，但不要让狗和小孩子单独在一起。
I think we may be able to work together in the future.
我想也许将来我们可以合作。
I don't know how to express my gratitude.
我不知道怎样来表达我的感激之情。