英语词汇“presenium”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	presenium
释义	presenium pre·se·ni·um (prē-sē'nē-ŭm), The period preceding old age. presenium (prē-sē′nē-ŭm) [″ + senium, old age] The time of life that precedes old age, typically the years before age 65. pre·se·ni·um (prē-sē'nē-ŭm) The period preceding old age.
随便看	backflow prevention valve backflows backflow valve backflush backflush costing back focal distance back focal length back focal plane back fold backfolding back foot back for back for a bit back form back formation back-formation backformation back-formations back-formed back forty back four backfriend back from the dead back from the grave backfurrow

英语词典包含2567994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。

presenium