Group (P Q) - Spelling Practices

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(1) n. Syn. step(一步,步幅,步态,(马的)溜蹄,慢慢地走) single movement from one foot to the other in walking; slow gait; step
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(2) n. Syn. trousers; underwear(裤子,短裤) trousers; underwear; garment extending from waist to knee or ankle
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(3) n. (巡警) someone on patrol duty; an individual or a member of a group that patrols an area
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(4) a. Syn. everlasting; perpetual(长久的,永久的) remaining without essential change
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(5) n. Syn. coloring; dye(色素) substance used as coloring; dry coloring matter
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(6) n. Syn. dock; pier(港,港口,端口) place on waterway with facilities for loading and unloading ships
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(7) n. (研究生) student who continues studies after graduation
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(8) n. (大草原) treeless grassy plain; extensive area of flat or rolling
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(9) v. Syn. advocate; sermonize(布道,鼓吹) advocate; speak, plead; argue in favor of 
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(10) v. Syn. uphold; retain; maintain(保存) uphold; retain; maintain in safety from injury, peril, or harm