density
UK/'densiti/US
NGSL 3kTOEFL四级六级考研A1
释义
n.
The degree to which something is packed or crowded; mass per unit volume
密度；稠密程度；（物理）单位体积的质量
词根拆分
词根派生dens（厚、密）+ -ity（状态、性质）=「密的状态」被量化成可测量的量：东西挤得有多紧。物理学把它定为单位体积的质量；日常英语用得宽——population density、traffic density。
词根 dens 还连着 5 个词常用搭配
- 1.population density人口密度
- 2.high density高密度
- 3.low density低密度
- 4.bone density骨密度
- 5.traffic density车流密度
例句
- 1.
The city has one of the highest population densities in the world.
这座城市是世界上人口密度最高的城市之一。
- 2.
Lead has a much greater density than aluminum.
铅的密度远大于铝。
- 3.
Planting trees at high density can speed up reforestation.
以高密度种树可以加快森林恢复。