pentupn.被拦住的(壅高的；被抑制的)pentadj.被关押的；被禁锢的动词pen的过去式和过去分词形式.pent-up feelings of sadness愁肠Pentad-ecological homestead“五配套”生态家园pentad of noncollinear points非共钱点的拼五小组pentaerythritol tetrabenzoate季戊四醇四苯甲酸酯pentaerythritol dichlorohydrin[化] 双氯甲丙二醇; 2,2-双氯甲基-1,3-丙二醇pentaerythrite tetra-acetate季戊四醇四乙酸酯pentaerythritol tetramyristate季戊四醇四肉豆蔻酸酯pentapyrro lidinium bitartrate酒石酸五吡咯烷pentaerythritol tetrapalmitate棕榈酸季戊四醇酯pentaerythritol phthalic resin邻苯二甲酸-季戊四醇树脂