too many (bag 可数)
too much (plastic 塑料 不可数)
cut down (砍伐)
come from (来自)
reuse (重复利用)
protect the Earth (保护地球)
save energy (节省能源)
too many (bag 可数)
too much (plastic 塑料 不可数)
cut down (砍伐)
come from (来自)
reuse (重复利用)
protect the Earth (保护地球)
save energy (节省能源)