slow and clumsy because of great weight 缓慢的,笨拙的 her footsteps were heavy and ponderous. 她的脚步沉重而缓慢。 ■dull, laborious, or excessively solemn 毫无趣味的;费力的;过分庄重的 Liz could hardly restrain herself from finishing all his ponderous sentences. 利兹无法控制自己不说完所有毫无趣味的话。