any of various plants of the family Gentianaceae especially the genera Gentiana and Gentianella and Gentianopsis
例句与用法
1.
If they do break , apply some gentian violet solution 如果水疱破了，上点龙胆紫药水。
2.
Studies on botanical origin of chinese herb gentian and its textual research 中药龙胆原植物的研究及本草考证
3.
Gentian stimulates the appetite , improves circulation , and can help prevent heartburn 龙胆草可刺激食欲、改善循环及防止胃酸过多。
4.
This highly popular , german liqueur is made from an infusion of 56 herbs , roots , fruits and gentian 采用56种药本植物、根茎和水果酿造的德国甜酒叫什么名字？
5.
Law of coloring of change orchid family name , can be bacterial cent two kinds big : use method of this kind of coloring , it is to use gentian to catch a bug first , all bacteria caught purple , besmear again next with iodic fluid , will strengthen the tie of dye and bacterium body , the alcohol of 95 comes to reoccupy decolour 20 30 seconds , some bacteria not by decolour , still withhold purple , some bacteria are become by decolour colorless , reoccupy answer is red finally answer catch 1 minute , the result already was caught by the bacterium of decolour cheng gong is lubricious , not the bacterium of decolour still keeps purple , no longer chromatic , such , every is caught purple bacterium calls bacterium of positive of change orchid family name ; ran chenggong calls bacterium of negative of change orchid family name lubriciously 革兰氏染色法，能够把细菌分为两大类：采用这种染色方法，是先用龙胆紫来染病菌，所有细菌都染成了紫色，然后再涂以碘液，来加强染料与菌体的结合，再用95的酒精来脱色20 30秒钟，有些细菌不被脱色，仍保留紫色，有些细菌被脱色变成无色，最后再用复红复染1分钟，结果已被脱色的细菌被染成红色，未脱色的细菌仍然保持紫色，不再着色，这样，凡被染成紫色的细菌称为革兰氏阳性菌；染成红色的称为革兰氏阴性菌。
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