Nitrides
氮化物
🗣️ 情景例句
Everything you have said is find by me.
你所说的我都同意。
Would you, please?
您肯帮忙？那太好了。
that if we escape wars, accidents and diseases we shall eventually 'die of old age',
既使我们能避开战争、意外的事故和各种疾病，我们最终也会"老死；