swell or be swollen up

• 隆起

swell or be swollen up的用法和样例：

例句

1. The hills swell gradually from the plain.
   那些山丘从平原逐渐隆起。
2. Its hump bumped as he took it up.
   当他端起来的时候，隆起来的盘底凹了下去。