第一步是纤维素纤维(Cell-OH)在NaOH溶液中与环氧氯丙烷生成环氧化纤维素纤维,这是环氧氯丙烷分子中的氧原子非常活泼;在亲电试剂(H+)作用下,极易生成不稳...
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Laptop, flash disk, a ballpoint pen, a pencil, a notebook, a pair of glasses, cell phone, charger, moisture lotion,... Oh, that is too much.
笔记本电脑,闪存,一致圆珠笔,一支钢笔,一本笔记本,一副眼镜,手机,保湿液,…噢,太多了。
And we called him up on his cell phone and he said, " "Oh. I got on the highway and I drove to work."
我们打他手机,接通后他说,“哦,我上高速了,想着去上班呢
Oh my gosh! My cell phone didn't charge overnight! How can I contact my client later?
天啊!我的手机竟然一宿都没充上电!一会怎么联系客户呀!
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