Bov
abbr. 硫酸（brown oil of vitriol）
🗣️ 情景例句
Hmm. Anything else?
嗯， 还有其他事吗？
That which is evil is soon learnt.
恶行易学。
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。