communicative
adj.
relating to communication 通讯的；交际的
conference
n.
a formal meeting, which is held so that opinions and ideas can be exchanged 大会，会议
conscious
n.
the action of clearing an area of forest or trees 采伐森林
disaster
n.
sudden serious misfortune causing great suffering and damage 灾难
dispose
v.
to get rid of处理
plastic
n.
a light artificial material produced chemically 塑料
pollution
n.
the action of polluting or the state of being polluted污染
drought
n.
(a long period of) dry weather when there is not enough water 干旱
ecological
adj.
of or concerning ecology 生态(学) 的
efficiency
n.
good productivity or performance 效率
★
air-conditioning
n.
the system that uses machines (air-conditioners) to control the temperature of the air in a room or building to keep it cool and dry 空调( 系统)
influence
n.
(the power to have) an effect on someone or something without the use of direct force or command 影响
install
v.
to set (an apparatus) up, ready for use 安装
erosion
n.
the process of eroding or being eroded 腐蚀，侵蚀
faucet
n.
a device through which the flow of water or other liquids is controlled 水龙头
forum
n.
a place where public matters may be talked over and argued about论坛，讨论会
garbage
n.
waste material, e.g. from a house or office, to be thrown away垃圾，废物
gas
n.
(a type of) substance like air, which is not solid or liquid and usually cannot be seen气体
made by humans, esp. as a copy of something natural 人造的
battery
n.
an apparatus for producing electricity, consisting of a group of connected electric cells电池
debate
n.
a meeting, esp. in public, in which a question is talked about by at least two people or groups, each expressing a different opinion争论，辩论
deforestation
harmful
adj.
causing or likely to cause harm 有害的，伤害的
hence
adv.
for this reason or from this origin; therefore 因此，从此
host
n.
a person who receives guests and provides food, drink, and amusement for them 主人，东道主
appliance
n.
an apparatus, instrument, or tool for a particular purpose, esp. an electrical machine that is used in the house 器具，器械，（尤指）家用电器
artificial
adj.
ah
int.
a cry of surprise, pity, pain, joy, dislike, etc.啊，哈
air-conditioner
n.
a device used to control temperature, humidity, cleanliness, and movement of air in conditioned space 空调机
liter
n.
a metric measure of liquid 公升
mount
v.
to prepare and produce (an attack)为…作准备
oห้องสมุดไป่ตู้erflow
v.
to go beyond the limits 溢出
partner
n.
either of two people sharing the same activity or business 合伙人，伙伴
adj.
knowing, understanding, or recognizing something 有意识的，有知觉的
constant
adj.
fixed or unchanging 不变的
dam
n.
a wall or bank built across a river to keep back water, esp. to make a reservoir 水坝，堤坝