他上唇扁平，下唇耷拉。His upper lip was flat, but the lower one sagged.我现在15岁，胸部扁平。I'm 15 and com-pletely flat-chested.这个发现驳斥了地球是扁平的看法.This discovery disproved the idea that the world was flat....
The natural logarithm of this ratio is called the logarithmic decrement.此比率自然对数称为对数的减量.The characteristic of the logarithm 6.3214 is 6.对数6.3214的首数是6.His first designs were for a machine to calculate such things as logari...
Lignin is a characteristic component of secondary walls.木质素是次生壁成份的特征.A new syntan product prepared with tar phenol and lignin sulfonic acid.以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂.Alkali lignin is an abundant, cheap and renewable...
墙面和地板上都贴着瓷砖。The walls and floors are clad with ceramic tiles.她贴着房间的墙边走到了门口。She skirted round the edge of the room to the door.金鱼聚在一起贴着水面懒洋洋地游着。Goldfish were swimming lazily in a group just under the surface....