I have to sit in the jump seat so that I can tell the pilot if I have any thoughts on his flying.

我得坐在折叠椅席上，以便告诉飞行员飞行途中我的任何想法。

Until last week couriers were usually allowed to sit in the "jump seat" near the captain of the plane in order to supervise their precious cargo but that practice has now been stopped.

直到上周信使们还被允许坐在机长附近的“折叠椅席”上以保护他们昂贵货物的安全，可是如今这项待遇已被取消了。

At that moment, the bell rang loudly, making me jump, and Edward Cullen was out of his seat.

就在这时，铃声响了起来，吓了我一跳，而爱德华·卡伦已经离开了他的座位。

If the belt tongue fails to jump out even just once the entire seat belt and belt buckle must be replaced.

带安全带舌片只要有一次未能跳出，则必须更换整套安全带和安全带扣。

If the buckle fails to jump out even just once the entire seat belt and belt buckle must be replaced.

带扣连接件只要有一次未能跳出，则必须更换整套安全带和皮带扣。