1.denote v.表示，意味着(indicate)

词根记忆：de(下面)+note(做记号)--在下面做记号--表示

例:In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward red.

2.denounce v.公然抨击( to accuse publicly)；告发(to tell the police, the authorities, etc.about sb's illegal political activities)

词根记忆：de+nounce(讲，说)一打小报告--告发

例:They denounce big government, saying government is doing too much and has become too powerful.

派生词：denouncement(n.告发：痛骂)

同根词：announce(v.宣布)；renounce(v.宣布放弃)

3.dense a．密集的(crowded closely together, compact);浓厚的(not easily seen through( of liquids or vapour))

词根记忆：和tense(a．紧张的)一起记

例:Over time the distribution of dust in a meteor stream（流星群）will usually become denser at the outside edges of the stream than at the center.

派生词:densely(ad.密度大地，浓厚地)；density(n.浓度，密度)

4.density n.浓度，密度(the quality or state of being dense)

词根记忆：来自dense(a．稠密的；浓厚的)

例:There are changes in the population density of both Meadowbrook and Parkdale over the past four years.

同根词：condense(v.使浓缩)

5.denunciatory a.谴责的(condemning pubI.cIy)

词根记忆：来自denunciate（v.谴责）

例:The author.s attitude toward the affair can best be described as scornful and denunciatory.

同根词：denuncjation（n.谴责）

6.depan v.背离，违反（to vary,as from a regular course）;出发(to leave）

词根记忆：de（离开）+pan（分开）--离开

例:Minen jn the middIe part of the 1 9th century departed radically in tone and style from earlier textbooks.//Did the train depart for Chicago?

派生词：departure（n.变更;开始）

7.depanure n.离开(the act or an．nStance of depaning)；出发(sening out)

词根记忆：来自depan（v.离开;出发）

例:The labor activists'position represented a departure from the voluntarist view held until 935 by leaders of the American Federation of labor,a leading affiliation of labor unions.

同根词：depaned（a．去世的）

8.dependence n．依赖，依靠(the quality or state of bejng dependent）

词根记忆：来自depend（v.依靠，依赖）

例:While several studies have found a significant correspondence between the density dependence model and actual pattems of foundings, other studies have found patterns not consistent with the model.

同根词：dependent（a．依靠的;从属的）

9.depict v.刻画，描述(to describe)

词根记忆：de（起强调作用）+pict（画）--刻画，描述

例:A careful review of how school textbooks depict Native Americans is certainly warranted．

派生词：depiction（n．描写，叙述）

10.depiction n.描写（description）;叙述（a graphic or vivid verbal description）

词根记忆：来自depict（让描述）

例:The failing of the book Iies not in a lack of attention to scienfific detail but in the depiction of scenes of life and death in the marine world with emotional overtones that reduce the credibility of the work.

同根词：pictorial（a．绘画的）