Beta-oxybutyric acid
[醫(yī)] β-羥丁酸
?? 詞語組成解析
n. 希臘字母表的第二個字母\\n[醫(yī)] β(希臘文的第二個字母), 乙種
[醫(yī)]羥丁酸
??? 情景例句
How much does a return ticket cost?
返程票多少錢？
I went there on business.
我出差到那兒。
No. He just asked if you could ring him back. Here's the number.
沒有，他只問你能不能給他回一個電話。這是他的電話號碼。