1、It is a colourless, odourless and tasteless gas, slightly heavier than air
它是一種無色、無溴、無味的氣體，比空氣稍重。

2、Hydrogen is referred to as H2. It is a colourless, odourless and tasteless gas.
氫氣的分子式為H2，它是一種無色、無溴和無味的氣體。

3、The extracted protein is odourless and white and its productivity is high in the vicinity of 90%.
用酸法提取的鰱魚肉蛋白質無腥味，色澤潔白，蛋白質產率高，可達90 %左右。

4、Folic acid is a yellowish to orange, crystalline powder; odourless or almost odourless.
葉酸是淡黃色至橙色結晶粉沫，無臭或幾乎無臭。

5、Hydrogen is a corlourless, odourless gas
氫氣是一種無色、無味的氣體。

6、Premium solvent, odourless and no harmful to skin.
優(yōu)質溶劑，無氣味，不傷皮膚。

7、It is a white to pale yellow, odourless or almost odourless, crystalline powder.
這是一個白色淡黃，無氣味或幾乎無氣味，水晶粉末。

odourless翻譯