knock-compound

常见例句

• Keep your hands off me; or I'll knock you down.
  不要碰我，当心我把你打倒在地。
• There was a furious knock at the door.
  有人在猛烈地敲门。
• Mind you don't knock your head (on this low beam).
  小心，别(让这根低梁)撞著头。
• I was able to knock their price down to $1.
  我把价格压到一美元。
• We knock off at 12:30 for lunch.
  我们十二点半时停下工作去吃饭。
• Oxygen enters into many compound bodies.
  氧是许多化合物的组成部分。
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