The types of molecules that can do this are themselves substantially hydrophobic in nature such as carbon dioxide, oxygen or ethanol.疑问：这句话中 themselves 是做表语么？那么 substantially hydrophobic 又是什么成分？
At the shops where you spend any real money, that money is increasingly abstracted. And this is more and more true, the higher up the scale you go. 麻烦问一下老师，the higher up the scale you go这句话什么结构?
This may be because the lower moisture content, which is 12.8% for the MC, generates less expansibility and contractility than is necessary to destroy the soil skeleton.请问老师，这个句子在than后是不是省略了that呢？
章振邦的新编高级英语语法680页：A statement making this clear, in as specific terms as may be prudent, would provide a healthy measure of reassurance.看不懂这句话，麻烦老师分析比较分句？谢谢！
Today when it was recollected, he said, was this lined clothes changed his value.请问老师he said后面是倒装句吗?正常语序是什么样子。Today when it was recollected这是两个状语还是一个状语?是不是Today修饰全句，when it was recollected修饰谓语?谢谢老师
Day after day she studied so hard and with such hunger and thirst that
at last she became a zhuangyuan in this knowledge contest.请问老师with such hunger and thirst和什么并列，为什么前面使用了and?
This starts off following a gentle river valley but the last part is quite exposed so the snow conditions can be challenging. following 作介词时候常表示在（某事）以后，但此following后跟地点，请问这个following在此是否表示在某地点之后。
...e from? As no pumas had been
reported missing from any zoo in the country, this one must have been in the
possession of a private collector and somehow managed to escape. The hunt went
on for several weeks, but the puma was not caught. It is disturbing to think
that a dangerous wild animal is still ...