英语词汇“critical mass”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	critical mass
释义	critical mass n. 1. The smallest mass of a fissionable material that will sustain a nuclear chain reaction at a constant level. 2. The total mass of matter needed to generate sufficient gravitational force to halt the current expansion of the universe. 3. An amount or level needed for a specific result or new action to occur: "[Plastic bags are] so nearly weightless that it's difficult to gather enough of a critical mass to make recycling them economically worthwhile" (Susan Freinkel).
随便看	paltry paludal palustrine paly paly palynologic palynological palynologically palynologist palynology palytoxin Pama-Nyungan P(amela) L. Pamir Pamlico Sound pampa pampas grass pampean pamper pamperer pampero pamphlet pamphletary pamphleteer Pamplona

英语词典包含135693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。