例句：

　　Did you have a chance to do any sightseeing ?

　　你有沒有出去游覽的機會？

　　Sightseeing is best done either by tour bus or by bicycles.

　　觀光最好要么乘游覽巴士，要么騎自行車。

　　A sightseeing tour of the city is included to help you get your bearings.

　　城市觀光游包括在內(nèi)，以幫助你們弄清方向。