drilling

['driliŋ]

n.演练, 钻孔

例句与用法：

Valuable deposits of oil have been found by drilling.

通过钻探发现很有开采价值的油层。

After months of drilling, oil was found off the coast.

经数月钻探，在沿海找到了石油。

The workman is drilling in the wall.

工人正在墙上打孔。

A hole or passage made by or as if by use of a drill.

钻孔，打洞用或似用钻打孔或通道

详细释义：

n.

1. 训练; 教练

2. 钻孔

3. (常用复)铁屑