将“colourless"翻译成中文

Propylated aromatic products are all colourless liquids with a boiling point of about 300(C and have very low solubility in water.

丙醇芳香剂产品都为无色液体,沸点约为300(C,水溶性极低。

Pure fenthion is a colourless, almost odourless liquid.

纯净倍硫磷为无色、接近无嗅液体。