Dorsoventrality
背腹性
🗣️ 情景例句
If you don't go to college, you'll never get a good job.
你要是不上大学，就永远找不到好工作。
He went to the post office to mail a letter.
他去了邮局寄信。
We should be able to get that off to you right away.
这样的话，我们马上就可以出货