The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见，因为陆地上几乎没有什么东西覆盖它们。
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
n. 遗骨，遗体，残骸，残余，遗迹;废墟，遗址，遗迹，剩余（物），余额;
v. 留下( remain 的第三人称单数);保持;留待;仍然是;
💡 re向后+mains留下 →剩余物
"Access to the documents remains restricted to civil servants."
这些文件仍仅限公务员使用.
近义：leavings, leftovers, litter, offal, riddlings, rubbish
adv. 很少地;罕有地;极精彩地;珍奇地，绝佳地;
💡 rare稀少的 + ly...的 → ad.很少，难得
"Biology rarely starts over."
生物难得重新开始。
近义：infrequently, occasionally, seldom, sometimes, oddly, peculiarly
反义：manyfold, oft, often, oftentimes, repeatedly, usually
v. 遮盖;掩蔽;涉及;洒上;
n. 覆盖物;避难所;掩护;封面;
💡 cover→覆盖；遮蔽；占（时间或空间）；掩护；包括
"Senior government figures must have acquiesced in the cover-up."
政府高级官员必然已经默许掩盖真相。
近义：hide, line, roof, seal, veil, blanket
反义：uncap, uncork, uncover, bare, undress, expose
n. 陆地;国家;地产;土地;
vt.& vi. （使）登岸;降临;使陷于（困境）;使不得不应付;
vt. 自船上卸下;获得;捕到;钓到（鱼）;
vi. 跳落，跌落，被抛落（地面）;
"the issue of Aboriginal land rights"
澳大利亚土著土地权问题
近义：disembark, sod, terra, ground, area, lot
反义：leave, start, board, embark, welkin, empyrean
adv. 很少，罕见;难得;不大;
"He had seldom seen a child with so much talent."
有如此天赋的孩子他以往没见过几个。
近义：infrequently, rarely
反义：manyfold, oft, often, oftentimes, repeatedly, usually