Threonic acid
[化] 苏糖酸\\n[医] 苏糖酸
🧩 词语组成解析
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
He who despises small things seldom grows rich.
小钱不计，大钱不聚。
The man had connected the air-line to a supply line of oxygen, not compressed air.
这个工人把供气管接到了氧气供应管上，而不是接到压缩空气管上。