will：We willed the sun to come out.我们希望太阳快升起来
robot：I have a robot.我有一个机器人.
paper：Can you spare some paper for me?你能匀出一些纸给我吗?
pollution：We have freed the lake from pollution.我们已经清除了该湖的污染.
building：The World Trade Center in New York City is one of the world's tallest buildings.纽约的世界贸易中心是世界上最高的建筑物之一.