最好译为 You are now in Beijing. 汉译英,有时候不能直译,因为语言文化不同 需要以英语的习惯用法来翻译。北京的著名景点很多,从网上很容易找出。建议 故宫、颐和园、长城, 先看看这几处吧。
You alredy in Beijing.
You have been to Beijing
You have come to Beijing
You have been in Beijing.