池塘表面有一层黏腻腻的污泥。There was an unappealing film of slime on top of the pond.看看这些乡巴佬儿！满身污泥！嚯嚯嚯！Look at the plebs! Getting all muddy! Haw haw haw!他的手被污泥弄脏了.He made his hands dirty with mud....
Who could ever dream of a disaster like this?谁能想到会发生这样的灾难？My sons would never dream of expecting their clothes to be ironed.我的几个儿子从不指望别人帮他们熨好衣服。He had finally accomplished his dream of becoming a pilot.他最终实现了成为一名飞行员的梦想。...
必须知道各种材料的热导率和热扩散率.The thermal conductivities and thermal diffusivities of the material must be known.石英岩和岩盐的热导率最高.Quartztes and rock salt have the highest conductivities.在各向异性的非均质材料中,热流向量和热导率很复杂.In heterogeneous anisotro...