Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。cotton fabrics and synthetics棉织物与合成织物It is a universally applicable thickener for printing on the synthetics.特别适合用做纺织印染工业中...
她脖子上戴着一条银项链，上面挂着个十字架。Round her neck was a cross on a silver chain.墙壁上刻着十字架。Crosses were etched into the walls.对基督教徒来说,十字架被赋予了特殊意义.The cross is endowed with a special meaning for Christians....
...calfskin boots.小牛皮靴He had large fat feet cased in soft calfskin boots.肥大的脚塞在一双软皮靴里.The book cover is made of fine calfskin leather.书的封面用精致的小牛皮制成.Materials: Richly finished soft calfskin leather that smells DIVINE!材料: ...
You were born together , and together you shall be forevermore.你们天生一对, 并且应该永远在一起.How measureless and strong It'shall forevermore endure The saints and angels'song.伟大无限无量,永远坚定,永远不变,天使圣徒颂扬.Your testimonies are fu...
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using st...