excavator

['ekskəveitə]

n.打洞机,挖掘者, 开凿者

例句与用法：

An open excavation or pit from which stone is obtained by digging, cutting, or blasting.

采石场通过挖掘、切割或爆破岩石来获取石料的露天坑道或洞

The excavation of the bur city take a long time.

发掘埋在地下的城市花了很长时间。

Excavation of the site will begin tomorrow.

明天开始挖掘工作。

Those foreigners are visiting the excavations.

那些外国人正在参观出土文物。

词形变化：

动词过去式: excavated | 动词过去分词: excavated | 动词现在分词: excavating | 动词第三人称单数: excavates |

n.[C]

1. 开凿者; 发掘者

2. 挖掘机