Hydroxyl
高中 Senior Highn. 氢氧根\\n[医] 羟[基], 氢氧基
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
My daughter was very pleased to do shopping.
我的女儿非常喜欢去购物。
Behind those trees.
在那些树后面。