单词	age-class
释义	age-class noun 1 : a group of persons of the same sex and approximately the same age who have been initiated together or have passed through other social experiences together 2 : an age-grade or a subdivision thereof Word History First Known Use 1871, in the meaning defined at sense 1
随便看	parallel parked parallel parking parallel parks parallel perspective parallel port parallel postulate parallel resonance parallel rule parallel ruler parallel sailing parallel sphere parallel stance parallel standard parallel sulcus parallel texture parallel turn parallel vise parallel winding parallel-resonant parallel-veined paralleled parallelepiped parallelepipeda parallelepipedons parallelepipeds

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