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  1. keep down

    • ph.
      stay hidden by crouching or lying down;cause something to remain at a low level
    • 釋義

    片語

    • 1. stay hidden by crouching or lying down
    • 2. cause something to remain at a low level
    • 3. retain food or drink in one's stomach without vomiting
    • 4. cause someone to remain in a state of oppression or subjection
    • 5. make a pupil repeat a year at school because of poor marks