202X Text2It used to be so straightforward. A team of researchers working together in the laboratory would submit the results of their research to a journal. A journal editor would then remove the aut...

THE LOONS 课文讲解/Detailed StudyDetailed Study of the Text1. pebble: small stone made smooth and round by the action of water, eg in a stream or on the seashore2. scrub: underdeveloped trees or shrubsoak...

                                  常用前缀一、常用前缀1、aero :concerning the air or aircraftAeroplane&nbs...