漢： 前綴tri-來源於拉丁語，意爲(wèi)“three”表示“三”，關(guān)於數(shù)字“三”的這個(gè)前綴，有的書上也把它儅作詞根來記，可以看一下從數(shù)字三開始了解英詞滙記憶的奧秘這篇文章。tri與three之間發(fā)生元音音變，和"h"的弱化，由three變成了tri. 英：word-forming element meaning "three," from L. tres (neuter tria) or Gk. treis (neuter tria) "three" (see three). 1.tricycle n.three-wheeled bicycle 三輪車 cycl=wheel Tricycle were much more common than bicycles in the 1800's 在19世紀(jì)，三輪車比自行車常見的多 2.tripod n.three-legged support,eg,for acamera;stool,table,etc.resisting on three legs 照相機(jī)等的三腳架；三腳桌，tri=three,pod=foot Set the camera on a tripod so there is no shaking during exposure. 把照相機(jī)放在三腳架上，可防止曝光時(shí)相機(jī)抖動(dòng)。 3.trisect v.divide a line,an angle etc,into three parts 三（等）分 sect=cut tri=three We trisected the pie,one section for each of the three of us. 我們平均把餡餅分成了三分，每人一份。