Quinine is an effectual preventive for malaria.

是有效的疟疾预防
。
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(精简版)
力 2016年8月合集 Andrew Crump, a colleague of Ms Zakharova's, meanwhile presented a less convincing case for bumblebees being worthy of further investigation, on the basis of some experiments using sugar water as a reward and quinine as a punishment.
安德鲁·克拉姆,扎哈罗娃

一位同事,则基于一些使用糖水作为奖励、奎宁作为惩罚
实验,提出了一个不太有说服力
理由,认为大黄蜂值得进一步研究。
A breakthrough moment came in 1856 when 18-year-old British chemistry student William Henry Perkin, tasked with finding a way to synthesise quinine, accidentally made the first synthetic dye, a deep purple which he called mauveine.
1856年,一个突破性时刻到来,当时18岁
英国化学学生威廉·亨利·珀金被要求寻找合成奎宁
方法,却意外制成了第一种合成染料,一种深紫色
染料,他将其命名为洋红色。
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