bull-clam shovel

例句：

1. 1.We used a bull-clam shovel to dig the hole for the new garden.
   我们用牛蛤铲挖了一个新花园的坑。
2. 2. The farmer used a bull-clam shovel to break up the frozen soil.
   农民用牛蛤铲打碎了冻土。
3. 3.The bull-clam shovel was a useful tool for clearing away rocks and debris.
   牛蛤铲是清除岩石和碎片的一种有用的工具。