拉大的英文怎么说

拉大的英文：
n. Lada

We visited Niagara Falls on our vacation.
假期我们参观了尼亚加拉大瀑布。

What can be done to counter the widening gap between the rich and poor in China?
针对中国贫富差距的不断拉大,我们可以做什么?

During the Second World War, industrial wage differentials in Britain widened.
第二次世界大战期间，英国的劳工工资级差进一步拉大了。

This had happened many times since he left school. At such times he always spoke in a loud voice, as he did tonight.
自从他离开学校后他经常闯祸。每次遇到这种情况，他就拉大嗓门说话，今晚也不例外。