1.dimension n．尺度(size)；維(a measurement of space)；方面(aspect)

詞根記憶：di+mens(測量)+ion--有關測量的--尺度

例:The inside dimensions of a rectangular wooden box were 6 inches by 8 inches by 10 inches.//Earnings and income data overstated the dimensions of hardship.

派生詞：dimensional(a．空間的)

2.diminish v.減少，削弱(to reduce)

詞根記憶：dimin（小）+ish--使交小一減小，削弱

例:Sulfur dioxide can diminish the respiratory system's ability to deal with all other pollutants.

3.diminution n．減少，縮減(a case or the state of diminishing or being diminished)

詞根記憶：di+minu(變小，減少)+tion--減少

例:It prevented the Hopis from experiencing adiminution in population.

4.dinosaur n.恐龍

詞根記憶：dino(恐怖的)+saur(蜥蜴)一恐龍

5.dioxide n.二氧化物(an oxide( as carbon dioxide) containing two atoms of oxygen in the molecule)

詞根記憶：di（二）+oxtde(氧化物)--二氧化物

例:carbon dioxide二氧化碳

6.diploma n．文憑(a document bearing record of graduation from or of a degree conferred by an educational institution)

例:high school diploma高中畢業證

The man who has made up his mind to win will never say“impossible”，
凡是決心取得勝利的人是從來不說“不可能的”。

——法國皇帝拿破侖(Bonaparte Napoleon' French emperor)