clean air是什么意思
clean air意思是纯洁空气。例句：（一）You can't buy clean air in a bottle, he said.（二） Structure of the Clean Air Act.（三） I live in a place with clean air. 扩展资料： （一）The filtration system provides the crew with...
clean air意思是纯洁空气。例句：（一）You can't buy clean air in a bottle, he said.（二） Structure of the Clean Air Act.（三） I live in a place with clean air. 扩展资料： （一）The filtration system provides the crew with...