Beta-hydroxybutyric acid
[医] β-羟丁酸
🧩 词语组成解析
n. 希腊字母表的第二个字母\\n[医] β(希腊文的第二个字母), 乙种
🗣️ 情景例句
I've known Martin for years.
我认识马丁好多年了。
I played outside this morning.
我今早在外面玩。
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。