#保护环境英语作文带翻译-环境问题 搜索结果
Environmentalproblemsarebeingmoreandmoreseriousallovertheworld.Forexample,carshavemadetheairunhealthyforpeopletobreatheandpoisonousgasisgivenoffbyfactories.Treesonthehillshavebeencutdownandwastewaterisbeing
