(1) 密度大的(very heavy in relation to each unit of volume)：a～substance/rock/star 密度大的物质/岩石/星球;

(2) 浓的((of liquids， vapour)difficult to see through)：～fog/mist/smoke 浓雾/浓雾/浓烟;The fog was so～that we could not see anything. 雾很浓，我们什么也看不见。〖同〗heavy， thick;〖反〗thin， light;

(3)(稠)密的((of people and things)closely crowded or packed together)：a～crowd/forest 密集的人群/稠密的森林;～trees/fur 密密的树木/毛;〖同〗crowded， close， thick;〖反〗scattered， dispersed;

(4) 愚(迟)钝的(very stupid)(infml)：a～mind/boy愚钝的脑子/孩子;Are you～or were you not listening to me? 你是迟钝呢，还是没在听我说? 〖同〗stupid， dull， slow;〖反〗bright， intelligent， quick， clever;

(5) 难以理解的(difficult to understand because packed with ideas)：～writing 深奥难懂的文字;

→′densely adv 稠密地;′denseness n 稠密;愚钝;′density n 稠密，浓;浓(密)度