profile modified gear

例句：

1. 1.The engineer's profile is well-defined, with a strong jawlineand full lips.
   这位工程师的轮廓清晰，下巴线条分明，嘴唇丰满。
2. 2. The newmodel has a modified gearbox that offersmore efficiency.
   这款新模型配备了改进的变速箱，提高了效率。
3. 3. The car's profilewas designed to offer a sleek and modernlook.
   这辆车的轮廓设计旨在提供一种时尚而现代的感觉。