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They are odorless and colorless .

他们是无味和无色。

Most cryogenic liquids are odorless , colorless , and tasteless when vaporized intothegaseous state .

当蒸发到气态时,大多数低温液体是无嗅,无色和无味的.

Remember what we said about pheromones being odorless ?

还记得信息素是没气味的吗？

Folic acid is a yellowish to orange crystalline powder odorless or .

叶酸是淡黄色至橙色结晶粉末无臭或几乎无臭。

Physics character : colorless and odorless or white needly crystal or crystalline powder .

物理性状：无味无色或白色针状结晶或结晶性粉末。