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
from the first time you stayed with us.
自从你们第一次在我们这里住开始
When the accident happened, I was cleaning the car.
当意外事故发生的时候，我在清理汽车。
Travellers on short trips to areas with water supplies of uncertain quality should avoid drinking tapwater, or untreated water from any other source.
短途旅行到水质不保险的地区时，应避免饮用水龙头的水或未经处理任何其他来源的水。