slow and clumsy because of great weight
缓慢的,笨拙的
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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
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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。
"late Middle English: via French from Latin