Online Class Notes (Mike)

Vocabulary

protect (v) 保护
Don’t worry, I will protect you from dangers.
protect sb from (doing) sth.
protection (n) 保护

environment (n) 环境
environmental (adj.)

conserve (v) 节约

trash (n) 垃圾
trash can 垃圾桶

mudslide (n) 泥石流

cut trees down 砍伐树木

turn on/off: 打开/关闭（电器）

emit (v) 排出，排放
emission (n) 排放

Grammar

litter (v/n) 垃圾，扔垃圾
little (adj.) 小
letter (n)信，字母

First, water is an important things in our life. Everyday, we must drink a lot of water. It can make us healthy. So we must conserve water. If we go out and see some litter in the river, we must put them out.
First, water is an important thing in our life. Everyday, we drink a lot of water. It can make us healthy. So we must conserve water. When we go out and see trash in a lake or a river, we must clean them. Also, factories produce a lot of waste water that pollutes the nature, so we should ask factories to produce less waste water.

Trees can prevent mudslides from happening. Trees can also clean the air. We should never waste papers, because they are made of trees. If we use less papers, then less trees will be cut down.

When we go outside, we can put off the light. We don’t put the AC’s temperature too low. Another thing we can do is to turn off the TV when nobody is watching it.
When we go outside, we can turn off the light. Also, don’t leave the AC’s temperature too low in the summer. Twenty six degrees in the best for the environment. Another thing we can do is to turn off the TV when nobody is watching it.

Factories are bad for water and the air, so we can use some technologies in the factories to reduce pollution/emission.