good stream shape

例句：

1. 1. The new design has a good streamshape that makes it easy to use.
   新设计有一个良好的流线型，使其易于使用。
2. 2. The team's performance was good, but they still need to improve theirstream shape.
   团队的表现很好，但他们还需要改进他们的流线型。
3. 3. The car's streamshape is designed to make it moreefficient and eco-friendly.
   汽车的流线型设计是为了使其更加高效和环保。