夏说英语新闻晨读(MP3+文本) 第521期:兔子与绿萝杂交
日期:2019-01-02 07:58

(单词翻译:单击)

本期内容:

A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devil’s ivy the plant is able to clean the surrounding air by breaking down chemicals such as benzene and chloroform, which in certain concentrations can harm health. The researchers say these chemicals end up in household air as a result of everyday activities, with chloroform released from chlorinated water during showering, and benzene from sources including outside air and smoking.

humble: adj. 不起眼的;卑微的;谦虚的
houseplant: n. 室内植物
dash: v. 猛冲;快速地冲刺;n. 一点点;少许
a dash of salt: 一点点盐
lower: v. 降低
exposure: n. 暴露
insert: v. 插入;植入
devil’s ivy: 绿萝
break down: 分解
benzene: n. 苯
benzene circle: 苯环
chloroform: n. 氯仿
concentration: n. 浓度

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