black oil

  • n. 润滑重油;黑油

black oil的用法和样例:

例句

用作名词 (n.)
  1. Black oil was oozing out of the engine.
    发动机渗出了黑油。
  2. Usually black and color ink color with white strickle, and the white ink is used for coloring the black strickle.
    凡是不黑色及不暗不黑油不朱拔取不黑刮色纸,而不黑不朱则拔取暗刮色纸。
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