half round steeper

例句：

1. 1. The mountain was half roundand steeper than expected.
   这座山是半圆形的，比预期的要陡峭。
2. 2. The river flowed through a halfround steeper area.
   这条河穿过一个半圆形、更陡峭的区域。
3. 3. The climbwas half round steeper than the descent.
   这次攀登比下坡要陡峭一些。