Dragendorff test
[化] 德拉根道夫试验(用碘化铋钾试验生物碱形成特性加成化合物的结晶)
🧩 词语组成解析
🗣️ 情景例句
Do these match?
这些相互搭配吗？
He is a gentle horse that never cast his rider.
驯良的马绝不会把骑手甩倒。
Knowing that the industrious ant lives in a highly organized society does nothing to prevent us from being filled with revulsion when we find hordes of them crawling over a carefully prepared picnic lunch.
即使知道勤奋的蚂蚁生活具有高度组织性的社会里，当看到大群蚂蚁在我们精心准备的午间野餐上爬行时，我们也无法抑制对它们的反感。