The dirty, still air covers los angeles like a blanket, gradually building up into a thick, smelly, foggy, smokelike layer . 尘污和静止的空气象一个罩子一样覆盖着洛杉矶，逐渐形成了一个浓密的带有臭味的，雾蒙的烟层。
As contraction continues and the density increases, the dust becomes so thick at the center of the cloud that it absorbs the far-infrared radiation . 当收缩过程继续进行下去，密度不断增大时，气尘云中心的尘埃就会变得极其浓密，因而能够吸收远红外辐射。
Her dusky red cheek and tight curls gave her an air of gaiety that seemed unsuitable in a child who should still have been in black for her parents . 她黑里透红的小脸蛋和浓密的卷发使她显得活泼快乐，看上去与一个刚死了爹娘，身上还穿孝服的孩子应该有的表情很不相称。
Her hair was somewhat disarranged and the rich locks wandered about her forehead and the nape of her neck in a way that would have distracted any poet under seventy . 她的头发显得有些凌乱，浓密的头发披散在前额和后颈周围，那样子简直教七十岁以下的诗人都要受到诱惑的。
Enhance the health of hair and prevents hair falling 使头发乌黑浓密，不易脱落。
Her thick wary hair flowed over her shoulders 她那浓密的波状的头发飘垂在肩上。
Small neat ears and thick silky hair 一对精巧的小耳朵，一头丝一般浓密的毛发。
She felt him observing her mass of hair 她感觉得到那人在打量她的浓密的头发。
They hewed their way through the dense jungle 他们在浓密的丛林里开辟出一条路来。
A harsh double coat is absolutely necessary 粗硬而浓密的双层毛是绝对必需的。
