for one of the necessary conditions of preservation is quick burial,
因为保存的必要条件之一是迅速掩埋，
新概念英语第四册
Lesson 26 The past life of the earth
📚 句中词汇解析
从本句中提取的重要词汇
adj. 必要的;强制的;必然的;不可避免的;
n. 必需品;
💡 necess必要 + ary 表示有...性质的， → a.必要的；必然的
"Vitamin D is necessary to aid the absorption of calcium from food."
从食物中吸取钙需靠维生素D的帮助。
近义：indispensable, inevitable, mandatory, needful, obligatory, obliged
反义：needless, pointless, profitless, purposeless, redundant, reiterative
n. 保存，保留;保护;防腐;维护，保持;
💡 pre预先+serv保持+ation名词后缀 → 保存
"The police are responsible for the preservation of law and order."
警察负责维持法律与秩序.
近义：husbandry, keeping, maintenance, preserval, preserving, upkeep
burial
['bɛrɪəl]
n. 葬，掩埋;葬礼;
💡 buri=bury埋葬 + al 名词后缀, 行为、事情 → n. 葬礼,葬,掩埋
"Cremation is more common than burial in some countries."
在一些国家,火葬比土葬普遍.
近义：inhumation, interment, sepulture, burying, entombment, funeral
反义：disinterment
adj. 快的，急速的;聪明的，凌厉的;灵活的;短时间做成的;
adv. 迅速地，快速地;
n. （指甲下的）活肉;感情的中枢，感觉最敏锐的地方;要害，核心;
"The government spokesman gave a quick briefing to the reporters."
政府发言人向记者们作了情况简介.
近义：hurried, abrupt, limber, lissom, lissome, lithe
反义：lagging, leisurely, phlegmatic, poky, slowish, sluggardly