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
My company is a member of TOPS.
我的公司也是优秀老人协会的会员。
Good guy
好家伙
He has often described to me how he picked up a masterpiece for a mere $50.
他多次向我详细讲他如何只花50英镑便买到一位名家的杰作。