Nitrobarite
[化] 钡硝石
🗣️ 情景例句
You hold on to them so there won't be a problem later.
你来保管， 免得等一下又出问题了。
Excuse me for being late.
对不起我迟到了。
They would have continued to struggle against economic odds and would have lived in obscurity.
这家人会继续为克服经济上的拮据而奋斗，并默默无闻地活下去。