1. 沉重:ponderation 过磅 | ponderosity 沉重 | ponderous 沉重的
2. 极重:ponderconsiderguess 忖 | ponderosity 极重 | ponderreverieruminatethoughtfulness 沉思
3. 极重/沉重/笨重:pondering /审议/ | ponderosity /极重/沉重/笨重/ | ponderous /非常重的/搬运不便的/笨重的/沉重的/沈闷的/
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noun
1. the property of being large in mass