quinine

/kwɪˈniːn/ /kwɪˈnaɪn/

Meanings

noun

奎宁，金鸡纳霜

A bitter colourless powder, an alkaloid derived from cinchona bark, used to treat malaria and as an ingredient of tonic water.

Examples :

"During their trip to a region with malaria, they took pills containing quinine to prevent the disease. "

为了预防疟疾，他们在去疟疾流行地区旅行期间服用了含有奎宁的药片。

Related Words

powder noun

/ˈpaʊ.də(ɹ)/

粉末，粉。

"The old book was covered in a fine layer of powder. "

那本旧书上蒙着一层细细的粉尘。

containing verb

/kənˈteɪnɪŋ/

包含，容纳。

"The box containing my old toys was stored in the attic. "

装有我旧玩具的箱子被储存在阁楼里。

malaria noun

/məˈlɛə.ɹi.ə/

疟疾，瘴气。

"The doctor diagnosed my cousin with malaria after he returned from a trip to Africa. "

医生诊断我的表弟从非洲旅行回来后得了疟疾。

colourless adjective

/ˈkʌlə(ɹ).ləs/

无色的，没有颜色的

"The water from the well was surprisingly colourless, almost like air. "

那井里的水出乎意料地没有颜色，几乎像空气一样透明。

alkaloid noun

/ˈæl.kə.lɔɪd/

生物碱

"The coffee bean contains caffeine, which is a stimulating alkaloid. "

咖啡豆含有咖啡因，咖啡因是一种具有刺激作用的生物碱。

derived verb

/dɪˈɹaɪvd/

获得，取得，源于。

"The student derived the answer to the math problem from the formula. "

这个学生从公式推导出了这道数学题的答案。

prevent verb

/pɹəˈvɛnt/

预防，阻止.

"I brush my teeth regularly to prevent them from turning yellow."

我定期刷牙是为了预防牙齿变黄。

ingredient noun

/ɪnˈɡɹiːdi.ənt/

成分，配料

"The main ingredient in Grandma's famous chocolate chip cookies is butter. "

奶奶著名的巧克力曲奇饼干的主要配料是黄油。

cinchona noun

/sɪŋˈkəʊnə/ /sɪŋˈkoʊnə/

金鸡纳树，奎宁树。

"The doctor explained that quinine, a medicine used to treat malaria, is extracted from the bark of the cinchona tree. "

医生解释说，用于治疗疟疾的药物奎宁，是从金鸡纳树的树皮中提取的。

disease noun

/dɪˈziːz/ /dɪˈziz/

疾病，病症。

"The tomato plants had some kind of disease that left their leaves splotchy and fruit withered."

那些番茄植株得了一种病，叶子上出现了很多斑点，果实也枯萎了。

bitter noun

/ˈbɪtə/ /ˈbɪtəɹ/

苦味剂，苦精。

"My grandmother always adds a few dashes of orange bitters to her gin and tonic. "

我的奶奶总喜欢在她的金汤力里加几滴橙味苦精。

during verb

/ˈdjɔː.ɹɪŋ/ /ˈdʒɔːɹɪŋ/ /ˈd(j)ʊɚ.ɪŋ/

持续，延续，持久。

"The storm during all night. "

暴风雨持续了整夜。