1. Taking directions from my "coach", who was standing at the bottom of the tower, I tightened my helmet, closed my eyes and leaped into the air.
    "教练"站在高塔下面指点，我照着他的话，紧了紧头盔，闭上双眼，纵身一跃。

2. My knees are shaking, my heart is beating wildly and my head is enclosed in a crash helmet (防撞头盔) that seems much too thin.
    我的双膝发抖，心狂跳不止，头戴的防撞头盔看上去似乎太单薄了。

3. Jerry: I never had a beard. I kept my hair inside the helmet.
    杰端:我以前是从不留胡子,我头发是在头盔里.

4. For a fee of $15.60 per jump, Tokyo Roof rented me a flight suit, special shoes, gloves, earplugs(耳塞), a crash helmet, a face mask, a tooth guard and a safety harness (but no parachute).
    蹦极跳每次收费15.60美元，"东京屋顶" 租给我一套飞行服，特殊的鞋子、手套、耳塞、头盔、面罩、护牙套、还有一套安全装备（但是没有降落伞）。