Translate the following sentence into Chinese.
We can time the lighting to make their artificial "days," starting at some different time from the real outside day.
Now we take them far away from home and let them go on a sunny day.
But he never missed my breakfast and dinner, knowing by experience that he fared best there.
Dogs can learn not only to sit, lie down, come, and stay in place when their masters go away, but also to jump, carry, and fetch.
This was too high for Tommy to see the dishes.
After a lot of practice, the dog can retrieve a stick (or other object) even when he has not seen it thrown.
After a dog learns to carry an object, he can learn to bring something back from a distance.
One explanation for this behavior is that, although the postman comes to the house often, he never enters the house.
Two important factors in teaching a dog to obey commands are: using the same word each time for the same act, and teaching only one act at a time.
This ceremony is held in the depth of winter. But, by the words we speak and the faces we show the world, we force the spring.
A spring reborn in the world's oldest democracy, which brings forth the vision and courage to reinvent America.
Not change for change's sake, but change to preserve America's ideals - life, liberty, and the pursuit of happiness.
If I had had leisure I think I might have trained him to some kind of good behavior.
I was very sorry, for he had grown to be quite a pet companion for me.
He wanted always to taste my coffee, and when Makondai brought it, would beg of me, in the most serious manner, for some.
When our founders boldly declared America's independence to the world and our purposes to the Almighty, they knew that America, to endure, would have to change.
If I pleased him quickly, he tanked me by a kind of gentle murmur.
I got all kinds of forest berries for him, but he refused all.
As the dry season came on, it became colder, and Tommy began to wish for company when he slept, to keep him warm.
Precise Earth surface movement data from space can measure strain in the earth’s crust and can provide a good first approximation of where earthquakes are likely.