looking at后面加名词或动名词，就是动词的ing形式；
例句
Which dates are you looking at?
你在看哪一天？
Hed seen me looking at him.
他看见我看着他。
Dickon was looking at him very hard.
狄肯使劲盯着他看。
What are you looking at?
你在看什么？
I\'m looking at the dust.
我在看灰尘。
We are all looking at our spaceship.
我们都在看我们的宇宙飞船。
