Noun:

1. the billiard ball that is intended to be the first ball struck by the cue ball

objecto[拉]抗议,异议objectn.物体；目标；对象；宾语v.反对；提出 ... 作为反对的理由object cathexis对象性发泄,对象性力投注object strongly强烈地反对object distance物距object appraise客观评价object of proof证明对象object variable对象变量object analysis目标分析object teaching实物教学, 直观教学object division对象分类object of trial审判对象