1、 A contractor was hired to drain the reservoir and to excavate soil from one area for replacement with clay.
一个承包商被雇来排干蓄水池里的水,然后挖出其中一块地方的泥土,换上粘土。
来源:秒词邦搜集整理
2、 'They even excavate pools to ensure their brood doesn't dry out.'
它们甚至会挖掘池塘以确保自己的一窝卵不会干瘪。
来源:秒词邦搜集整理