TOEFL kelimeleri

mass per unit volume of material

密度

to be determined by something else or to need it in order to happen or function

取决于；依赖于

An age-based ratio comparing people outside a defined working-age range with those within that range.

抚养比；非劳动年龄人口与劳动年龄人口之比

outcome measured for change

因变量；为确定其是否随另一变量变化而测量的结果

show or represent a subject in an image or artwork

描绘；在图像等艺术作品中表现

reduce the available quantity of a natural resource

耗尽；大量消耗

mental health condition with persistent low mood or loss of interest

抑郁症；抑郁障碍

The ability to perceive distance and the three-dimensional arrangement of objects.

深度知觉；感知距离和物体三维空间关系的能力

have an organism or group as an ancestor

由……传衍而来；是……的后代

to say or write what someone or something is like

描述；描写

spoken or written details about an item's appearance

描述

explaining what something is like rather than why it occurs

描述性的；说明事物是什么样的

loss of land productivity in dry climates

荒漠化

planned arrangement of form and features for appearance or use

设计；为外观和使用而安排物件或空间的形式与特征

to plan the form, arrangement, or procedure of something before making or carrying it out

设计；规划具体形式或实施步骤

requirement or limit restricting engineering options

设计约束；设计限制条件

worth having or achieving because of expected benefits

值得争取的；因预期好处而令人希望的

without being prevented or changed by the fact or situation mentioned

尽管

place toward which someone or something is traveling

目的地；运送终点

to remove something from another thing to which it is attached

拆下；分离；使脱离所连接的部分

A small individual fact or feature of a larger whole.

细节；整体中的一项具体事实或特点

providing many specific facts or small points of information

详细的；包含许多具体信息的

to discover the presence of something that is not immediately obvious

发现；检测出；察觉

to become worse in condition, quality, or effectiveness

恶化；变差；退化

to find out something through investigation, reasoning, or calculation

查明；确定

different route used when the usual way is closed

绕行路线

causing harm or making a situation worse

有害的；不利的

to gradually form, grow, or become more fully established, or cause something to do so

发展；形成；逐步完善

the gradual formation or change of something as it becomes more fully established

发展；形成；逐步完善