rock

1. N-UNCOUNT Rock is the hard substance which the earth is made of. 岩石

The hills above the valley are bare rock. 河谷上面的山是光秃秃的岩石。

2. N-COUNT A rock is a large piece of rock that sticks up out of the ground or the sea, or that has broken away from a mountain or a cliff. 巨石

She sat cross-legged on the rock. 她盘着腿坐在那块巨石上。

3. N-COUNT A rock is a piece of rock that is small enough for you to pick up. 小石块

She bent down, picked up a rock, and threw it into the trees. 她弯下腰，拣起一块小石头，把它扔进树林里。

4. V-T/V-I When something rocks or when you rock it, it moves slowly and regularly backward and forward or from side to side. 使摇晃; 摇晃

His body rocked from side to side with the train. 他的身体随着火车左右晃动着。

5. V-T/V-I If an explosion or an earthquake rocks a building or an area, it causes the building or area to shake. 使震动; 震动[journalism]

Three people were injured yesterday when an explosion rocked the factory. 昨天，三名工人在爆炸引起的工厂震动时受伤。

In Taipei buildings rocked back and forth. 在台北，建筑物前后摇晃着。

6. V-T If an event or a piece of news rocks a group or society, it shocks them or makes them feel less secure. 震惊[journalism]

His death rocked the fashion business. 他的死震惊了时装界。

7. N-UNCOUNT Rock is loud music with a strong beat that is usually played and sung by a small group of people using instruments such as electric guitars and drums. 摇滚乐

...a rock concert. …一场摇滚音乐会。

8. N a rocking motion 前后摇动