TOEFL kelimeleri

proposed law submitted for legislative consideration

法案

capable of being broken down by living organisms

可生物降解的

variety of genes, species, and ecosystems

生物多样性

using living organisms to limit pests

生物防治

The number of live births in a population over a period, usually expressed per thousand people per year.

出生率；通常按每年每千人口活产数计算

region with event horizon from within which light cannot escape

黑洞

A website or section of a website containing posts that are added over time, often by an individual or small group.

博客；持续发布文章或帖文的网站或网站栏目，常由个人或小团队经营

movement of blood through heart and vessels

血液循环

tube carrying blood through body

血管

get onto a vehicle as a passenger

上车；登船；登机

The communication of feelings or attitudes through posture, gestures, and facial expression.

肢体语言；通过姿势、手势及面部表情传达感受或态度的方式

temperature where vapor pressure matches external pressure

沸点

A limit separating areas, categories, or permitted activity.

界限；边界；区分范围、类别或允许活动的限制

To generate a range of ideas before choosing which ones to develop.

集思广益；集中提出初步想法

The recognizable name and associated identity that distinguish a product, service, or organization from others.

品牌；使产品、服务或机构区别于其他对象的名称及相关形象

A person whose earnings provide the main financial support for a household or family.

主要经济支柱；家庭主要收入提供者

A separate virtual space within an online meeting where a smaller group can talk or work together.

线上分组讨论室；在线会议中供小组单独交流的空间

move air into and out of lungs

呼吸

reproduce and produce young

繁殖；生育后代

period when animals normally reproduce

繁殖季

structure carrying a route across an obstacle

桥；桥梁

to cause a change or event to happen

使发生；带来

to introduce a subject so that it can be discussed

提出；提起（话题）

likely to break with little bending

脆的；易碎裂的

An internet access service that provides relatively high data-transfer capacity.

宽带；提供相对较高数据传输容量的互联网接入服务

To transmit an audio or video program to an audience by radio, television, or the internet.

播出；通过广播、电视或互联网向受众传送音频或视频节目

to make a range, scope, or understanding wider

拓宽；扩大范围；扩展认识

regional period marked by widespread bronze use

青铜时代

previously developed site with reuse challenges

棕地；可再利用且可能面临污染等问题的已开发地块