Assignment 2

1.commuter：a person who travels into a city to work each day, usually from quite far away.

                      The five o’clock train is always packed with commuters.

2.reinforce：to make a feeling, an idea.

                     The experience reinforced my sense of loss.

3.disruption ：a situation in which it is difficult for something to continue in the normal way; the act of

                       stopping something from continuing in the normal way.

                       The strike caused serious disruptions.

4. journal：a newspaper or magazine that deals with a particular subject or profession.

                    the British Medical Journal

5. swap：to give something to somebody and receive something in exchange.

                 I swapped my red scarf for her blue one.

Comment:

I think that itis a good tool , because the definitions and example sentences they provide are in detail , especially , the Oxford Dictionary , and I think I will use it more often.