The boatman was willing to risk ferrying them across.船夫愿冒险渡他们过江.The airplanes are ferrying motorcars between England and France.飞机在英法之间运送汽车.The boat is ferrying people.船在摆渡....
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...
...a family who could trace their ancestry back to the sixteenth century.世系可上溯到16世纪的家族The family has traced its ancestry to the Norman invaders.这个家族将自己的世系追溯到诺曼征服者.Their ancestry settled the land in 1856.他们的祖辈1856年在这块土地上定...