n. the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
a. undistorted by emotion or personal bias; based on observable phenomena
a. serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes
s. emphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretation
n. 目的, 目标, 宗旨, 宾格, 实物
a. 客观的, 如实的, 无偏见的, 宾格的