英语词汇“molecular clock”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	molecular clock
释义	molecular clock n. 1. An assumed approximately constant rate of change over evolutionary time in the nucleotide sequences of DNA molecules and the amino acid sequences of protein molecules. 2. A technique based on this assumption, in which the amount of time since two species or other taxa diverged from a common ancestor is estimated by measuring the number of differences between certain gene or protein sequences of the taxa.
随便看	animadversion animadvert animal animal control officer animal cracker animalcule animalculum animal heat animal husbandry animalism animalist animalistic animality animalization animalize animal kingdom animal magnetism animal pole animal rights animal spirits animal starch animate animated animatedly animatic

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。