extremities
 手足,四肢
 Ex·trem·i·ty n.; pl. Extremities
 1. The extreme part; the utmost limit; the farthest or remotest point or part; as, the extremities of a country.
    They sent fleets . . . to the extremities of Ethiopia.   --Arbuthnot.
 2. Zoöl. One of locomotive appendages of an animal; a limb; a leg or an arm of man.
 3. The utmost point; highest degree; most aggravated or intense form. “The extremity of bodily pain.”
 4. The highest degree of inconvenience, pain, or suffering; greatest need or peril; extreme need; necessity.
    Divers evils and extremities that follow upon such a compulsion shall here be set in view.   --Milton.
    Upon mere extremity he summoned this last Parliament.   --Milton.
 Syn: -- Verge; border; extreme; end; termination.
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