1. The tiny rocket is attached to the spacecraft and is designed to propel it toward Mars. 微型火箭附在宇宙飞船上，用来推进飞船飞向火星。
2. He also used ski poles in an unorthodox way—to propel himself as he skied. 他还以一种非正统的方式使用滑雪杖，就是在滑雪时用它推动自己。
3. It now appears that they also have an important influence on the geophysical processes that propel the plates across the globe. 现在看来，它们对推动板块在全球范围内运动的地球物理过程也有重要影响。
4. Using four paddle-like limbs to propel its bulky body through the water, the pliosaur made easy work of passing prey such as dolphin-like ichthyosaurs. 上龙用四根桨状的四肢推动它庞大的身体在水里游来游去，轻而易举地就能掠食形似海豚的鱼龙。
5. These designs fuel demand and propel brand loyalty. 这些设计鼓动需求并推进品牌忠诚度。
