Definition

Examples

• 这个油井每年生产大量原油。
  Zhège yóu jǐng měinián shēngchǎn dàliàng yuányóu.
  This oil well produces a large amount of crude oil every year.
• 他们在沙漠里发现了一个新油井。
  Tāmen zài shāmò lǐ fāxiàn le yí gè xīn yóu jǐng.
  They discovered a new oil well in the desert.
• 工人正在维护那口油井。
  Gōngrén zhèngzài wéihù nà kǒu yóu jǐng.
  The workers are maintaining that oil well.