英语词汇“protopine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	protopine
释义	pro·to·pine \ˈprōd.əˌpēn, -_pə̇n\ noun (-s) Etymology: International Scientific Vocabulary prot- + opium + -ine : a crystalline alkaloid C₂₀H₁₉NO₅ found in small quantities in opium and in many papaveraceous plants
随便看	seven-league sevens sevens seven seas seven sisters seven sisters rose seven sleeper seventeen seventeen seventeenth seventeen-year locust seventh seventh seventh chord seventh cranial nerve seventh day seventh-day seventh-day adventist seventh-day baptist seventh-day german baptist seventh heaven seventh-inning stretch seventhly seventh nerve seventieth

英语词典包含332784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。