n. 履带齿
；锚定桩；
牢骚的人
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factor analysis, factor in, factor of safety, factorable, factorage, factorial, factoried, factoring, factorise, factorist,
相似单词
groupthink, group-transfer, groupuscule, groupware, grouse, grouser, grout, grouter, grouting, groutite,