Erythronic acid
[化] 赤糖酸; 三羟基丁酸
🧩 词语组成解析
🗣️ 情景例句
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
That's why I am here.
那是我在这里的原因。
There is a new type of machine which can produce colour copies.
有一种新型的机器能够制作出彩色复印件。