Step aboard the MTR, the Mass Transit Railway.

进入地铁, 轨道交通铁路。

So, if your sensor- tive to speed and you find jet plain scary, stepping aboard a drone would be downright AV-ironic.

所以，如果你很敏感，而且你觉得喷气机很恐怖，那么踩上一架无人机将会是一种彻头彻尾的讽刺。

The huge halls and theaters offer hundreds of interactive displays. Seize the opportunity to learn about faraway planets or step aboard a real submarine…

大型的大会堂和剧院展出无数个互动式展品。把握机会，好好认识一下远方而来的植物，或者登上真实的潜水艇。

He had already survived the sinking of the America years earlier, and he worked hard to  overcome his fear and step aboard the Titanic, welcoming a new chance at life.

多年前，他已经从美国沉没事件中幸存下来，努力克服恐惧登上泰坦尼克号，迎接新的人生机遇。