拉;拖;拉力 pull...up
(使)车辆停止 pull sth. up
把某物拔起来 pull out
离开;退出 pull out of
从……中退出/拿出 背诵例句 He cried with pain when the tooth was pulled out. 牙被拔掉时,他疼得大叫。 动手练习 (1) Don’t always_______ (拉长)a long face. pull
(2)月球对地球的吸引力造成潮汐。(汉译英)
_____________________________________ (3) The driver ____the bus to let the old lady down.
A. pulled on
B.
pulled over
C. pulled up
D. pulled in
(4) The project became so expensive that we had to
_____.
A. pull out
B.
pull in
C. pull down
D. pull up
新知5 float vt.& vi.(使)浮动;(使)漂浮
I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger. (Page 31) The tides depend on the pull of the moon. C A
归纳拓展 float vt.& vi.
飘浮;漂浮;漂流 floating adj.
飘浮的 背诵例句 A balloon floated across the sky. 有个气球从空中飘过。 The ship is really a floating university. 这只船是一所真正的移动大学。 动手练习 (1) The ship was__________(漂浮)by the tide. (2) Can you see something red__________(漂浮)in the
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