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v. Syn. soothe; subdue
(安抚,平静) ease anger or agitation of; make calm or quiet; end war or violence


Spelling Word: pacify
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n.
(摆,钟摆) a body suspended from fixed point as to swing freely to and fro by the alternate action of gravity and momentum


Spelling Word: pendulum
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ad.
(周期性) in a regular periodic manner; intermittently


Spelling Word: periodically
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n. Syn. circumference; boundary
((圆形的)边缘) edge, especially of a round surface; surface of a solid; circumference


Spelling Word: periphery
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a. Syn. vertical; upright
(垂直的,直立的) vertical; upright; intersecting at or forming right angles; extremely steep


Spelling Word: perpendicular
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v.
(出汗,排汗) sweat; excrete perspiration through the pores in the skin


Spelling Word: perspire
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v.
(感到不安) disturb greatly; make uneasy or anxious; throw into great confusion


Spelling Word: perturb
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n.
(文件夹,股份单) portable case to hold loose papers; materials in such case; office or post of minister of state; a group of investments


Spelling Word: portfolio
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n.
(家禽,食用家禽) domestic fowls reared for eating, or for their eggs or feathers, such as cocks and hens, capons, turkeys, ducks, and geese


Spelling Word: poultry
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n. Syn. prevention
(预防措施,警惕) prevention; measure taken beforehand; act of foresight


Spelling Word: precaution