Deuterostomes
(deuterostome 的復數) n.[動]后口動物
??? 情景例句
I happen to have
我這兒碰巧有一項
He is a doctor. He has his own practice.
他是個醫生，他自己開業。
This letter's full of mistakes. I want you to type it again.
這封信里錯誤百出。我要你重打一遍。