These chemicals are practically insoluble in water.这些化学物质几乎不溶于水。A small proportion of solids became insolubilized during boiling.一小部分固体物质在沸煮过程中不溶于水了。These minerals are all insoluble in water.这些矿物质都不溶于水。Carotenes are insoluble in water and soluble in oils and fats.胡萝卜素不溶于水,但可溶于油类和脂肪。