慢速英语:Futuristic Transport System Moves Closer to Reality

音频下载[点击右键另存为]

同步字幕下载[点击右键另存为]

1. change vt.改变，变更
例句：People like to change things around to suit themselves.
人们喜欢改变周围的事物，使之适合自己。

2. involve vt.包含; 使参与，牵涉
例句：Certainly he wasn't going to involve the other comrades.
他肯定不想带累别的同志。

3. operate vt.操作; 经营; 运转
例句：Could you tell me how to operate this account?
请告诉我如何经管这个帐户好吗？

4. estimate vt.估计，估算; 评价
例句：You estimate his intellect too highly.
你把他的智力评估得太高。