Concentration of sulfuric acid
[建] 硫酸的浓缩
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
a. 硫磺的；含多量硫磺的；含（六价）硫的
🗣️ 情景例句
I'm going to play with a group of friends.
我打算和朋友一起玩。
He has a headache and needs aspirin.
他头痛，需要阿斯匹林。
After the funeral, Joe and Bob revealed a secret which they had kept for over fifty years.
葬礼之后，乔和鲍勃透露了他们保守了长达50多年的秘密。