吃透英语课本，提升在校竞争力
phrase. 沉浮；兴衰；起起落落
It was lively both up and down the street.
街上到处都很热闹。
Peter's heart bobbed up and down as he listened.
彼得听着，心忽上忽下。
Peter strode up and down, ordering finishing touches.
彼得踱来踱去，指挥做最后的修饰。
Alice jumped up and down in an agony of terror.
爱丽丝吓得上蹿下跳。
Up and down they went, and round and round.
他们飞上飞下，还绕着圈子飞。
She put the key in her pocket and walked up and down her walk.
她把钥匙放在她的口袋里，走来走去。
This is where I used to walk up and down and wonder and wonder.
我过去常常在这里走来走去，思考这，思考那。
They lay sleeping under a tree, and snored so that the branches waved up and down.
他们正躺在一棵树下睡觉，鼾声大作，使得树枝上下摆动。
The shivers run up and down my back at the mere thought of it.
一想到它，我就浑身发抖。
He walked up and down the room, to keep his blood in motion, soliloquising as before.
他在房间里踱来踱去，像刚才那样自言自语，使他的血液不停地流动。
