"How are you, mate?" — "Not bad, mate, how's yourself?"“最近怎么样,老兄?”——“还不错,你呢?”Kathy is a great mate, we are like sisters.凯茜是个很好的伙伴,我们亲如姐妹。Last Saturday, I was out on the town with my mate.上个星期六我和老友晚上去闹市玩乐了。...
Carbonation is the combination of carbonate or bicarbonate ions with minerals.碳酸作用是碳酸根离子或重碳酸根离子与矿物的化合作用.Bicarbonate ions also serve as an important base in living tissue.碳酸根离子也是活组织中的一种重要的碱.This modest amount of sodium bi...