又厚又粗
It's thick and thick
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
The rocket is long and slender, and fatter on top because its second stage is thicker than its solid rocket motor-powered first stage.
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