单词	paraben
释义	paraben /ˈparəbɛn / noun Chemistry Any of a group of compounds used as preservatives in pharmaceutical and cosmetic products and in the food industry.Twenty breast tumours have been found to contain high concentrations of paraben, a chemical that mimics estrogen in the body.... The family's common names follow the standard alkane hydrocarbon sequence: methyl paraben, ethyl paraben, propyl paraben, butyl paraben, etc. I have done a bit of homespun research of my own into this group of compounds, of which there are five: butyl, ethyl, isobutyl, methyl and propyl paraben. Origin 1950s: from para-1 + (hydroxy)ben(zoic).
随便看	activity wheel activo-passive actless act of contrition act of faith act of God act of grace Act of Parliament Act of Parliament clock act of state actogram actograph actomyosin acton Actonian actor actor-action act (or be) one's age act (or bill) of attainder actoreen actorine actorish actorly actor-manage actor-managed

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。