It is a white to pale yellow, odourless or almost odourless, crystalline powder.
这是一个白色淡黄，无气味或几乎无气味，水晶粉末。
Folic acid is a yellowish to orange, crystalline powder; odourless or almost odourless.
叶酸是淡黄色至橙色结晶粉沫，无臭或几乎无臭。
Folic acid is a yellowish to orange, crystalline powder; odourless or almost odourless.
叶酸是淡黄色至橙色结晶粉沫，无臭或几乎无臭。
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