1·They have two main purposes and one of them is that they want to encourage green travel through it.
他们有两个主要目的，其中之一，是希望通过它提倡绿色旅行。
2·Rani's friendliness—her warm smile, her nods, her 'I'm here for you' attitude—were all silent signals that didn't travel through wires.
拉尼的友善——她温暖的微笑，她的点头，她的“我在这里为您服务”的态度——都是无声的信号，这不会通过电线传播。
3·It is dangerous to travel through thick forests.
在密林里边穿行是很危险的。
4·The campsite moves with you as you travel through the park.
宿营地可以陪伴着你游览整个公园。
5·He proposed to travel through Switzerland with his mother and Clara.
他提议和他的母亲和克拉拉一起去瑞士旅行。
6·They could travel through the air, float in water, and lie dormant for many months.
它们可以在空中飞行，漂浮在水里，还可以休眠好几个月。
7·We could just travel through space.
我们只需要穿越空间。
8·And overland travel through Iran is risky.
在伊朗的陆路旅行很危险。
9·I still want to travel through Europe and to Asia.
我一直希望能从欧洲经由亚洲旅行。
10·Nothing can travel through a vacuum faster than light.
在真空中，没有什么东西能比光跑得更快了。