牛津译林版（2019）必修 第三册Unit 1 Nature in the balance词汇讲解 课件(共43张PPT)

(共43张PPT)
B3U1 Nature in the balance--Vocabulary
NATURE IN THE BALANCE
Can we put a value on the environment,
and should we
000
1.harm
①伤害，损害(physical or other injury or damage)n.[U]
do harm to sb..=dosb.harm对..有伤害
Missing a meal once in a while never did anyone any harm.
偶尔少吃一顿饭对身体无害。
All dogs are capable of doing harm to human beings.
只要是狗就有可能咬人。
cause harm to sb.=cause sb.ham对.造成损害
Dangerous men can cause great harm.
危险人物可能会造成巨大的伤害。
②伤害、损害
vt.
Thankfully no one was harmed in the accident.
谢天谢地，没有人在事故中受伤。
派生词：
harmless
adj.无害的（尤其指对健康）与to连用
Harm Reduction
harmful
adj.有害的（尤其指对健康）与to连用
Saves Lives
2.soil
①土、土壤(the material on the surface of the ground in which plants
grow)n.[C]&[U]
rich soil肥沃的土地
poor soil贫瘠的土地
earth
n.[U土壤
②国土、领土
It was the first time we had set foot on foreign soil.
那是我们第一次踏上异国的土地。
3.ecosystem①生态系统(all the living things in an area and the way they
affect each other and the environment)n.[C]
Pollution can have bad effects on the ecosystem.
污染会对生态平衡造成灾难性的破坏。
前缀：eco-环境的、生态的
eco-tourism
n.
WHAT IS AN ECOSYSTEM
eco-friendly
adj.
An ecosystem is a community of living organisms interacting with
system n.系统
each other and their non-living environment.
What makes up an ecosystem
All living things (plants,
animals,and bacteria)
Non living things (the sun,
rocks,and soil)