exorbitant|过高的；（性格等）过分的[ɪg'zɔːbɪt(ə)nt] toddler|学步的小孩；幼童装['tɒdlə] gadget|小玩意；小器具['gædʒɪt] niche|有利可图的市场[niːʃ; nɪtʃ] gymnastics|体育；体操运动[dʒɪm'næstɪks]