The rocket is long and slender, and fatter on top because its second stage is thicker than its solid rocket motor-powered first stage.

火箭又长又细，上部有点粗，因为它的第二级比固体燃料火箭发动机驱动的第一级要厚。

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A few weeks ago, her appearance at a motor show in the remote provincial capital of Nanchang (think Des Moines) caused such pandemonium that she had to flee the stage after just three minutes.

几周以前，她在一个偏远省会南昌（跟咱们衣阿华州得梅因似的）的现身造成巨大的轰动，以至于她不得不在3分钟后就退场。

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At this stage, travelling via a raft with a boat motor may still cause some hitches.

在这个阶段，通过一个船筏仍可能导致一些故障电机。

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"This time we are going to get it right, " said Mr Bennett, who has simplified the design to give Starchaser 3A a single, more powerful first stage motor.

BBC: Rocket man chases a dream

J-1's first stage, and Nissan will complete a liquid-methane-fuelled motor that it has in the works for the second stage.

ECONOMIST: Sayonara, spaceflight?

Dr Baker reckons that costs can be cut if the launch rocket uses the satellite's guidance computer instead of having its own, and if the satellite's built-in rocket motor is bolstered to do the work now performed by a launch rocket's upper stage.

ECONOMIST: Space