1. It is a sticky colorless film that coats the teeth. 它是一种覆盖在牙齿上的粘性无色薄膜。
2. Install a CO detector to alert you of the presence of the deadly, odorless, colorless gas. 安装一氧化碳检测器来警告是否存在这种致命的、无色无味的气体。
3. Comparing with the autumn in the northland, it is just like yellow wine with colorless liquor, rice gruel with steamed bun, and perch with big crab . 比起北国的秋来,正像是黄酒之与白干,稀饭之与馍馍,鲈鱼之与大蟹。
4. Its aerial mycelium is white, substrate mycelium is colorless to cream or pink. 其气生菌丝白色,基内菌丝无色至乳脂或浅粉。