New Words

hothouse
n. 温室

headline
n. 1. a newspaper heading（报刊的）大字标题
2. (pl.) a brief summary on television or radio of the most important items of news [复数] 新闻提要

*polar
a. of or near the North or South pole 极地的；近极地的

issue
vt. bring out (esp. sth. printed and /or official) for the notice of the public 发布，发行
n. 1. the supply or release of items for use or sale 发给；发行
2. an important topic for discussion or argument（有争议的）重大问题，议题

severe
a. 1. very bad, serious 严重的
2. (of people or their behaviour) strict or harsh 严格的；严厉的

climate
n. the average weather conditions at a particular place over a period of years 气候

*greenhouse
n. 温室，暖房

gradual
a. taking place by a series of small changes over a long time 逐渐的，逐步的

carbon
n. 碳

dioxide
n. 二氧化物

*fossil
a. 化石的
n. 化石

fuel
n. any material burned to produce heat or power 燃料
v. supply sth. or be supplied with fuel （向…）供燃料；（给…）加油

global
a. 1. of or concerning the whole earth 全球的，世界的
2. of, related to, or concerning all or almost all possible considerations 总括的，综合的

Fahrenheit
a. 华氏（温度计）的

pattern
n. a way in which sth. happens, moves, develops or is arranged 型式，模式

annual
a. 1. calculated over a period of a year 每年的；年度的
2. happening every year, usu. once a year 一年一次的

rainfall
n. （降）雨量

swell
v. (cause to) become greater in amount or volume; increase （使）上涨；（使）增长

forecast
n. a statement that predicts sth. with the help of information 预测，预报
vt. say in advance what is expected to happen 预测，预报

considerable
a. great in amount or size; of noticeable importance 相当多的，相当大的；相当重要的

synthetic
a. not naturally produced; artificial 合成的；人造的

release
vt. 1. allow (sth.) to fly, fall, etc. freely 排放，放出
2. set free; allow to go 释放；解放

odo(u)rless
a. having no smell 无臭的

odo(u)r
n. a smell (pleasant or unpleasant) 气味；香气；臭气

profoundly
ad. deeply 深深地

*profound
a. 1. deep; intense 深（度）的；极度的
2. having, showing knowledge or understanding of a subject 深奥的；造诣深的

visible
a. 1. that can be seen 可见的，看得见的
2. noticeable to the mind 明显的，显然的

*radiate
vt. send out (light or heat) 发射（光、热等）
vi. (from) come out or spread in all directions from (sth.) 辐射，散发

wavelength
n. 波长

infrared
a. 红外线的；红外区的

absorb
vt. 1. take in 吸收（水、热、光等）
2. take up all the attention, interest, time, etc., of 吸引（注意），使专注

Swedish
a. 瑞典（人）的

phenomenon (pi. phenomena)
n. a fact or event in nature (or society) as it appears or is experienced by the senses 现象

dip
n. 1. 下降
2. 浸；蘸

argue
v. give reasons for or against sth., esp. with the aim of persuading sb. to share one's own opinion 论证；认定

nevertheless
ad. in spite of that; however 然而，不过

accumulation
n. 积累，积聚

*drought
n. a long period of dry weather, when there is not enough water 长期干旱，旱灾

fertile
a. 1. (of land) which produces or can produce good crops 肥沃的，富饶的
2. producing many young, fruits, or seeds 多产的，丰产的

likewise
ad. 1. also; in addition 也，又
2. in the same way; similarly 同样地

glacier
n. 冰河，冰川

substantially
ad. 1. to a considerable degree; greatly 到相当程度；大量地
2. mainly; in the important part 基本上

substantial
a. 1. large in amount or value; considerable 大量的
2. concerning the most important part or meaning 基本的；大体上的

low-lying
a. 低洼的

community
n. 1.（由同住一地区或一国的人所构成的）社会；社区
2. 团体；界

irreversible
a. that cannot be changed to the original state 不可逆转的

maintain
vt. 1. express firmly or stick to one's point 坚称；断言
2. keep up; retain 维持；保持

*diminish
v. (cause to) become less （使）缩减；（使）变小；减少

nuclear
a. 核子的；原子能的

threat
n. 威胁