润滑剂 (rùn huá jì) — lubricant

定義

例文

• 机器需要加一些润滑剂才能正常运转。
  Jī qì xū yào jiā yì xiē rùn huá jì cái néng zhèng cháng yùn zhuǎn.
  The machine needs some lubricant to run properly.
• 这种润滑剂是环保的，不会污染环境。
  Zhè zhǒng rùn huá jì shì huán bǎo de, bú huì wū rǎn huán jìng.
  This lubricant is environmentally friendly and won't pollute the environment.
• 请用专用润滑剂保养自行车链条。
  Qǐng yòng zhuān yòng rùn huá jì bǎo yǎng zì xíng chē liàn tiáo.
  Please use a specialized lubricant to maintain the bicycle chain.