Threonic acid
[化] 苏糖酸\\n[医] 苏糖酸
🧩 词语组成解析
🗣️ 情景例句
How many stamps do I need?
我需要多少邮票？
What's the size of your shoes?
你的鞋多大尺寸？
I will be back by the end of next month.
我下个月底会回来。