crystalline powder

基本解释

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。
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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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In 1956 Mr Sternbach, fiddling with yet another benzodiazepine, treated it with methylamine, made a white crystalline powder, labelled it Ro 5-0690 and put it away on a shelf.
1956年，施特恩巴赫在胡乱处理一种苯二氮卓类化合物的时候，用甲胺化合制成了一种白色晶状粉末，标上"Ro5"06卯"放在了架子上。

In 1956 Mr Sternbach, fiddling with yet another benzodiazepine, treated it with methylamine, made a white crystalline powder, labelled it Ro 5-0690 and put it away on a shelf.
ECONOMIST: Leo Sternbach