colourless形容詞1無色的、透明的英式拼法,美式作 colorlessThe liquid in the test tube was colourless and had no smell.試管裡的液體無色也沒有味道。2乏味的、單調的、平淡的貶義His speech was long and colourless, and half the audience left.他的演講又長又乏味,一半的聽眾都走了。3蒼白的、無血色的She looked colourless and tired after the long illness.久病之後,她看起來面無血色又疲憊。