Please stand clear of the doors. This
car will be departing shortly.
1)stand何时是系动词？2)本句stand是系动词还是不及物动词？3)of
the doors怎么理解？它修饰的是clear还是stand？能否解释一下of的词义(这样有助于理解)?
Look at the baby , it has the characteristics of a
champion when he faces a challenge.问：这里“成为冠军的特征”就不只是一个特征，要用复数，那成为冠军面临的挑战难到就只有一种吗？应该把 challenge也改成复数才对吧，为什么特征用了单数，...
请问老师One group of muscles sets the next group in
motion.一组肌肉带动另一组肌肉运动，这里in motion是定语修饰the next group of muscles ？这样逻辑不对吧，我认为in motion是结果状语,set导致了motion这样理解对吗？
That is the term being used to describe the invisible
yet toxic mixture of gases and particles clinging to smokers’ hair and
clothing, not to mention cushions and a carpeting, that lingers long after
second-hand smoke has cleared from a room.请问老师，这里不是引导非限制定从吗，...
The role those anthropologist:ascribe to evolution is not 【of】dictating the details of human behavior but one of imposing constraints-ways of feeling,thinking, and acting that "come naturally" in archetypal situations in any culture.请问这里的of是什么用法？放在这句话里怎么...
The study found that, among prosecuted firms, those with the most comprehensive CSR programmes tended to get more lenient penalties请问这里是prosecuted是单独的过去分词做前置定语吗，为什么我查不到prosecuted这个形容词，它没有形容词词性它好像只有动词那...
...rward to welcoming guests to a place of marvelous beauty and to experience the many curated
experiences that connect guests with the rich local culture.我觉得句中的to experience 不应该用不定式结构。因为其不是与look forward并列，也不是与不定式to experience并列，而w...
例1：He walked by me without speaking. 例2：Eggs are sold by the dozen in this supermarket. 请问老师:例1中 by me（从我旁边经过）理解为地点状语吗？例2中 by the dozen（以打为计量单位计算）是方式状语吗？谢谢老师。