名詞 drilling:

1. the act of drilling
   同義詞：boring
2. the act of drilling a hole in the earth in the hope of producing petroleum
   同義詞：boring, oil production

動詞 drill:

1. make a hole with a pointed power or hand tool
   同義詞：bore, drill
2. train in the military, e.g., in the use of weapons
   同義詞：drill
3. learn by repetition
   同義詞：drill, exercise, practice, practise
4. teach by repetition
   同義詞：drill
5. undergo military training or do military exercises
   同義詞：drill

1. Valuable deposits of oil have been found by drilling.
   通過鉆探發(fā)現(xiàn)很有開采價值的油層。
2. After months of drilling, oil was found off the coast.
   經(jīng)數(shù)月鉆探，在沿海找到了石油。
3. The workman is drilling in the wall.
   工人正在墻上打孔。
4. A hole or passage made by or as if by use of a drill.
   鉆孔，打洞用或似用鉆打孔或通道