用途: 用作玻璃的脱色剂和着色剂.USES: As petroleum and colouring agent for glass.实验结果表明,FAS是一种有效的废纸浆漂白剂和脱色剂.The experimental results indicate that FAS is an effective bleaching and decolorizing agent for kinked pulp....
当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.我真的不理解这到底有什么意义，简直是愚蠢透顶。I don�...
指定阅读书目之一是简·奥斯汀的《爱玛》。One of the set books is Jane Austen's Emma.船只必须在指定的港口把捕到的鱼卸下。The vessels will have to land their catch at designated ports.露营被限制在指定的5个野营地。Camping is restricted to five designated campgrounds....