fall off

柯林斯詞典

fall off (falling,fell,fallen,falls)

• 1. PHRASAL VERB If something falls off, it separates from the thing to which it was attached and moves toward the ground. 脫落

  When your exhaust pipe falls off, you have to replace it. 當(dāng)你的排氣管脫落時，你只能更換它。

• 2. PHRASAL VERB If the degree, amount, or size of something falls off, it decreases. 降低; 減小

  Unemployment is rising again and retail buying has fallen off. 失業(yè)率又在上升，而零售購買量已經(jīng)減少。

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