"The advent of the automobile may have altered the growth pattern of the city"
"The discussion has changed my thinking about the issue"
"her mood changes in accordance with the weather"
"The supermarket's selection of vegetables varies according to the season"
"This dress needs to be altered"
"Is your cat spayed?"
We have to alter the house into a barn.
我们不得不把房子改建成谷仓。
The bright boy altered it to a circular form.
这个聪明的男孩把它改成了圆形。