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