1. Balanced at the edge of a narrow white platform, I am about to jump head first into a hot new phase of Japan's leisure boom: indoor sky diving, without a parachute.
    我在一块窄窄的白色跳板前端站稳，准备头朝下跳出去。这一跳将跳进日本休闲热中的一个崭新的热门项目：室内蹦极跳，不带降落伞的。

2. We recently participated in an environmental fair at the Mall (购物中心) of America in Bloomington, Minnesota, the largest indoor shopping center in America.
    最近，我们参加了一次在明尼苏达州布卢明顿市的美国购物中心举办的环境大会。此中心是全美最大的室内购物中心。

3. indoor mountain-climbing centers, with artificial peaks and cliffs;
    室内登山中心，那儿有人造山峰与悬崖；

4. Table tennis is an indoor game.
    乒乓球是室内运动项目。

5. They include: indoor ski resorts, with mountains made of crushed ice inside huge buildings complete with chair lifts and ski schools;
    包括：室内滑雪胜地，那儿有在大楼内用压碎的冰做成的山，还配有送滑雪者上山的升降椅，以及滑雪学校；

6. This is the trick that permits indoor, parachute-free "sky diving".
    这就是室内无伞蹦极跳得以进行的诀窍。