three trees can do the jobs of 15 air——(condition)
three trees can do the jobs of 15 air——(condition)
Three trees can do the job of 15 air conditioners running al
Honeybees can do three kinds of jobs.The honeybee is one of
1.Trees can cool the air.
air—condition的形容词是什么
Robots can do the most u_____ jobs.
翻译: The machine can do the work of three people
three quarters of the mountain__with trees
the condition of是什么意思
Why do people plant trees every year?——(keep) our air clean
There are three trees on the left of the
Trees and piants can make the air ciean .和 They can keep the