the force we apply on the lever is called the effort.(意思)
DO not apply an excessive impact force to the motor
the effort
the police force的意思
..A flag is being blown by the wind.the force on the flag is
(we) is on the grass.
Called the newspaper什么意思?
The wallflower is so called
Which country is called " the country on the black of the sl
What is the Great Wall called in china?什么意思
why is paris called the city of light?的意思
The teacher is woman called Ms Shen啥意思
We know a goal is only as worth as the effort that's require