| 单词 | 密度小 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ON/ON TOP OF〕Ice is less dense than water, which is why it floats. 冰的密度小于水，所以会浮在水上。朗文写作活用〔buoyancy〕The upward force that a fluid exerts on an object less dense than itself.浮力：流体施加给比自己密度小的物体的向上作用的力美国传统〔dense〕Less dense substances move upwards to form a crust.密度小的物质向上浮动并形成一硬层。牛津高阶〔density〕Aluminium is low in density.铝的密度小。剑桥高阶 |
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