使用蛋彩画颜料（内含可以定色的蛋黄）在干石膏上绘出了特定颜色。Certain pigment colours were painted on to dry plaster using tempera (where egg yolk is used to fix the pigment).胃液内含有盐酸给胃蛋白酶提供酸溶液.Gastric juice contains hydrochloric acid to provide an aci...
Criticism should be aimed at helping those criticized.批评应该是与人为善的批评.At first, it will be aimed at net booksnetbooks.首先, 它将目标定于网络书籍上.At first, it was will be aimed at networks.首先, 它的目标是上网本....
These proposals have to be put through several committees.这些提议必须在几次委员会上通过.He was asked to sit on numerous committees.他受邀担任过许多委员会的委员。Street committees keep a weather eye on the families in their district.街道委员会留意所辖区域内的家家户户...