We had to make several trips to bring all the equipment over.

　　我們往返了幾次才把全部設備運過來。

　　If we go this way it will save us two hours on the trip.

　　如果走這條路，可以縮短兩小時的行程。

　　Her sole object in life is to become a travel writer.

　　她人生的唯一目標就是當游記作家。

　　Sound travels better in water than in air.

　　聲音在水中比在空氣中傳播得快。