مفردات TOEFL

achieving a result without wasting time, effort, or resources

高效的；少浪费时间、精力或资源的

Physical or mental work directed toward a goal.

努力；为实现某个目标付出的体力或脑力工作

to explain an idea or statement in more detail

详细说明；进一步阐述

able to recover shape after force is removed

有弹性的；弹性的

Describing demand or supply when a price change produces a larger percentage change in quantity, measured by magnitude.

有弹性的；价格变化引起的数量百分比变化幅度更大

choose a representative or officeholder by voting

选举；选出

A course that a student chooses from available options rather than a specifically required course.

选修课

people entitled to vote in a particular election

全体选民；选民群体

physical property responsible for electrical interactions

电荷

interconnected electrical components forming a current path

电路

rate of electric charge flow

电流

machine converting electrical energy to mechanical motion

电动机

opposition to electric current related to voltage and current

电阻

phenomena and energy use associated with electric charge

电；电力

negatively charged particle in atomic structure

电子

chemical type defined by number of protons

元素；单质

height of a place relative to a reference level

高程；海拔

state of meeting requirements for aid or services

资格；符合条件

Meeting the stated conditions for entering a course or academic program.

符合选课或入学条件的

to remove something completely, especially something unwanted

消除；完全排除

release from slavery or comparable legal restrictions

解放；摆脱奴役或法律束缚

to appear or become known after previously being hidden, unclear, or absent

出现；显现；逐渐为人所知

organizations responding to urgent threats to safety or health

应急服务；紧急救援部门

newly developing or becoming established or more widely recognized

新兴的；逐渐成形的

To leave one's country of usual residence in order to live in another country.

移居国外；从原居住国迁出

send gases or particles into the environment

排放；释放（气体或颗粒）

A feeling such as joy, anger, or fear, often involving changes in thought, body, and behavior.

情绪；常伴随思维、身体或行为变化的感受

Processes that influence which emotions occur, how strongly or how long they are felt, or how they are expressed.

情绪调节；影响情绪的产生、强度、持续时间或表达的过程

Relating to or involving feelings.

情绪的；情感的；涉及感受的