dense
单词辨析：
指间隔小、十分紧凑的。
He was late due to the heavy rain.
由于下大雨，他迟到了。
The heavy schedule indicates that he is really busy.
排得很紧的日程表说明他真的非常忙。
通常指某种液体、物质等被抽去水分的；也指全神贯注的，此时只作表语。
concentrated juice/milk/nuclear fuel
浓缩果汁/炼乳/浓缩核燃料
She made a concentrated effort to improve her work.
她集中精力把工作做得更好。
指雾、烟等浓的，也指人或物在某一空间内挨得很近的。
Traffic was slowed down by a dense fog.
交通因浓雾而减缓了速度。
More attention should be paid to the dense rurally-based population.
应该更加关注居住在乡村的密集人口。
The dense forest hid the guerrilla's movements.
密林掩护了游击队的行动。
指液体因接近固体状态而流动慢的，也可用于形容烟、云、树木等，作“茂密的”解时可与 dense 换用。
The paint seems too thick.
油漆似乎太稠了。
The air was thick with smoke.
空气中满是浓重的烟味。
The path rambles through a thick/dense wood.
小路弯弯曲曲穿过一片茂密的树林。
相关例句：
The trees formed such a dense canopy that all beneath was a deep carpet of pine-needles.
树冠浓密，覆盖着厚厚一层松针。
The house was set amid dense trees and surrounded by an electrified fence.
那座房子坐落于茂密的树林中，四周布有带电围栏。
The steamer is enveloped in a dense fog.
轮船被迷雾包围。
Parts of the forest are still dense and inaccessible.
森林的一些部分仍然很茂密，人迹罕至。
The hills were enveloped in dense fog.
浓雾包住了群山。
They walked through the dense Mozambican bush for thirty six hours
他们花了36个小时穿过茂密的莫桑比克丛林。