重点讲解：
1. be sensitive to 敏感的；
Some of us are sensitive to smells, others find colours easier to remember.
我们当中的一些人对气味很敏感，而其他一些人则更容易记住颜色l!#;&kmE4C~FG5。
2. pore through 仔细阅读；认真钻研；
It will take several more months to pore through the volumes of documents.
详细研究这大堆的文献还要多花好几个月的时间-%H5)uD,z*y~3D|AZYj。
3. all kinds of 各种类型的；五花八门的；
They sell all kinds of things.
他们出售各种各样的东西LE.7IB&5,[]_Vz;K#。
4. make a living 谋生；
If I can't make a living at painting, at least I can teach someone else to paint.
如果我不能靠画画谋生，至少我可以教别人画画Jio;.rB|!gV2+m。