表示运动方向的介词
( 1) into, inside, in从外到内如：
He went quickly into/ inside the room.
He went quickly into/ inside the room.
( 2) out of从里到外，相当于 outside,或从里向外,相当于 from
She went out of from the office in a hurry她匆匆走出办公室.
The boy watched the buses, cars and bikes out from the window.
这男孩透过窗观看外面的公交车、小汽车和自行车。
( 3) on在……表面， onto到……上
A boat is on the river. 一条小船在河上。
He jumped onto a tree. 他跳上一棵树
( 4) across穿过一平面、 through穿过一空间
The boy kicked the ball hard and it moved across the grass.
这男孩用力踢球，球飞过草地。
The train moved fast through the tunnel. 火车飞驶隧道。
( 5) The train moved fast through the tunnel. 火车飞驶隧道。
She walked to the bank她步行到银行去
She swam towards the shore她朝岸边游去。
