I was on dialysis for seven years before my first transplant.
在进行首次肾移植之前，我做了7年的透析。
2.can be used as 被看作
The mixture can be used as a gargle several times a day.
每天可用这种混合液漱几次口。
3.reflect upon 反省
I must reflect upon how to answer the question.
我必须思考一下如何答复那个问题。
4.special to 特别的
Let us know if you come across anywhere that has something special to offer.
如果你碰上哪儿有什么特别的东西出售，就告诉我们。
5.reach out 触及
The black middle class must now reach out with more empathy and concern to the lower class.
黑人中产阶级眼下必须对底层社会倾注更多的同情和关心。
