The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陸地上生活過的動植物的遺體被保存下來的更為罕見，因為陸地上幾乎沒有什么東西覆蓋它們。
新概念英語第四冊
Lesson 26 The past life of the earth
?? 句中詞匯解析
從本句中提取的重要詞匯
n. 遺骨，遺體，殘骸，殘余，遺跡;廢墟，遺址，遺跡，剩余（物），余額;
v. 留下( remain 的第三人稱單數(shù));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."
這些文件仍僅限公務員使用.
近義：leavings, leftovers, litter, offal, riddlings, rubbish
adv. 很少地;罕有地;極精彩地;珍奇地，絕佳地;
?? rare稀少的 + ly...的 → ad.很少，難得
"Biology rarely starts over."
生物難得重新開始。
近義：infrequently, occasionally, seldom, sometimes, oddly, peculiarly
反義：manyfold, oft, often, oftentimes, repeatedly, usually
v. 遮蓋;掩蔽;涉及;灑上;
n. 覆蓋物;避難所;掩護;封面;
?? cover→覆蓋；遮蔽；占（時間或空間）；掩護；包括
"Senior government figures must have acquiesced in the cover-up."
政府高級官員必然已經(jīng)默許掩蓋真相。
近義：hide, line, roof, seal, veil, blanket
反義：uncap, uncork, uncover, bare, undress, expose
n. 陸地;國家;地產(chǎn);土地;
vt.& vi. （使）登岸;降臨;使陷于（困境）;使不得不應付;
vt. 自船上卸下;獲得;捕到;釣到（魚）;
vi. 跳落，跌落，被拋落（地面）;
"the issue of Aboriginal land rights"
澳大利亞土著土地權(quán)問題
近義：disembark, sod, terra, ground, area, lot
反義：leave, start, board, embark, welkin, empyrean
adv. 很少，罕見;難得;不大;
"He had seldom seen a child with so much talent."
有如此天賦的孩子他以往沒見過幾個。
近義：infrequently, rarely
反義：manyfold, oft, often, oftentimes, repeatedly, usually