A scientist holds oil-covered rocks pulled from a crevice

教学培训资料：  

scientist : ['saiəntist] n. 科学家
例句与用法:
1. When will scientist conquer cancer?
　 科学家什么时候才能征服癌症呢？
2. The scientist needs some delicate instruments.
　 这位科学家需要一些精密的仪器。
3. The scientist is distinguished in many spheres of knowledge.
　 这位科学家在许多知识领域中都是杰出的。
4. The young girl aspired to be a scientist.
　 小女孩立志要做一名科学家。

hold : [həuld] v. 握住,拿着,持有n. 把握,控制,船舱
例句与用法:
1. My new car holds the road well.
　 我的新汽车贴路性能很好。
2. I don't think the car will hold you all.
　 我看这辆汽车坐不下你们这些人。
3. She has now held the post of Prime Minister longer than anyone else this century.
　 她现在当首相任期之长在本世纪是前所未有的。
4. I managed to grab hold of the jug before it fell.
　 我设法抓住了那个罐子才未跌落。
词形变化:动词过去式:held 过去分词:held 现在分词:holding 第三人称单数:holds

rock : [rɔk] n. 岩石,岩礁,巨石v. 摇摆,摇动
例句与用法:
1. The scandal rocked the government.
　 这件丑闻把政府搅得十分狼狈。
2. He rocked back and forth in his rocking chair.
　 他坐在摇椅里前后摇晃着。
3. The news of the president's murder rocked the nation.
　 总统被暗杀的消息震惊了全国。
4. The ship struck on a rock and sank.
　 船触礁沉没。
词形变化:副词:rockingly 动词过去式:rocked 过去分词:rocked 现在分词:rocking 第三人称单数:rocks

pulled :扯下来的
例句与用法:
1. He grabbed my collar and pulled me towards him.
　 他抓住我的领子把我拉倒他面前。
2. The knife was stuck but she pulled it out with a jerk.
　 那把刀子被卡住了，她猛地一拔，把它拔了出来。
3. She pulled the plug out of the bathtub and the dirty water ran away.
　 她把浴缸的塞子拔掉，脏水流走了。
4. He bellowed with pain when the tooth was pulled out.
　 牙被拔掉时，他疼得大叫。

from : [frɔm, frəm, frm] prep. 从,从...起
例句与用法:
1. The dog roused a deer from the bushes.
　 狗惊起了丛林中的一只鹿。
2. He saved his daughter from the fire but at the cost of his own life.
　 他牺牲了生命，把女儿从大火中救出来。
3. Her arrest produced an immediate reaction from the press.
　 她被捕的事立刻在新闻界引起反应。
4. Tears distilled slowly from her eyes.
　 泪水从她的眼睛里慢慢地滴下来。

crevice : ['krevis] n. (岩石、墙等)裂缝
例句与用法:
1. A small hole or crevice through which one may peep.
　 窥孔一个人们可以用来偷窥的小孔或裂缝
2. A small opening, as in a wall or rock face; a crevice.
　 裂缝，裂口在墙壁或石头等上面的小开口；裂缝
3. A winding channel, passage, or crevice.
　 弯曲的沟渠，弯曲的通道，弯曲的裂缝
4. There is a crevice in the wall.
　 墙上有个裂缝。
词形变化:形容词:creviced