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on the top of在…的顶部
例句：The pagoda stands alone on the top of the hill.
那宝塔孤零零地坐落在山顶上。
2.It was much larger and heavier than the mobile phones we use today.
much larger,much修饰比较级
3.It permits cell phones to work much faster and with much more information.
permit to允许某人做某事
例句：I cannot permit this to happen.
我不能允许这种事情发生。
