Baritite
硫酸钡
🗣️ 情景例句
Sorry, I couldn't help overhearing, did you mention something about...
对不起，我无意中听到你们的谈话，你们是不是提到...
The goods we offered last week are running out, therefore, the offer terminates on 20th July.
上周我们报价的货物现已售完，所以，此报价在7月20日终止。
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。