忽高忽低: low and high...
准备: preparation, to prepare, to intend, to be about to, reserve (fund)...
杜绝: to put an end to...
牙齿: tooth, dental...
列举: a list, to list, to enumerate...
流感: flu, influenza...
香蕉: banana...
拉动: to pull, to stimulate (economic activity), to motivate (people to do sth)...
区分: to differentiate, to draw a distinction, to divide into categories...
好看: good-looking, nice-looking, good (of a movie, book, TV show etc), embarrassed, humiliated...
