Dorsoventrality
背腹性
🗣️ 情景例句
I want to thank you for placing such a big order with us. You won't be disappointed.
谢谢你下了这么大的订单，你一定不会失望的。
I've realized that we should stop the pollution.
我明白必须阻止公害的原因了。
He was born in New York.
他出生在纽约。