Dihydroxy-
二羟基
🗣️ 情景例句
But don't you think it'd be a good subject?
你不觉得这是个好题材吗？
My son has outgrown these trousers.
我儿子已经长的穿不了这条裤子了。
gradually, and often quite swiftly,
那么渐渐地，往往也是很顺利地，