it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地殼的基本模殼，
新概念英語第四冊(cè)
Lesson 30 Exploring the sea-floor
?? 句中詞匯解析
從本句中提取的重要詞匯
adj. 合理的，公道的;明白道理的;適當(dāng)?shù)?有理性的;
?? reason合理+able形容詞后綴, 具有某種性質(zhì)的 → 合理的, 通情達(dá)理的
"There is reasonable concordance between the two sets of results."
兩組結(jié)果之間有著合理的一致。
近義：intelligent, levelheaded, logic, logical, moderate, modest
反義：illogical, inane, inconsistent, irrational, mad, meaningless
adj. 基本的;[化學(xué)]堿性的;[地質(zhì)學(xué)]基性的;首要的;
n. 基礎(chǔ)，基本;基本原則，基本原理，基本規(guī)律;要素;基礎(chǔ)訓(xùn)練;
?? bas=basis基礎(chǔ)+ic形容詞，...的 →基本的
"The company offers scuba-diving as an add-on to the basic holiday price."
這家公司提供帶水肺潛水活動(dòng)，不包括在基本度假費(fèi)用以內(nèi)。
近義：medullary, pivotal, primal, primary, primordial, basal
反義：associate, attache, parallel, auxiliary, accessorial, accessory
n. 形狀，形式;外形;方式;表格;
vt. 形成;構(gòu)成;組織;塑造;
vi. 形成，產(chǎn)生;排隊(duì)，整隊(duì);
?? form =shape,表示”形狀”
"The noun " mouse " is the singular form of " mice " ."
名詞mouse是 mice 的單數(shù)形式.
近義：past, background, record, dossier, antecedents, institute
反義：hypertrophy, misshape, twist, uglify, warp, contort
adv. 相當(dāng)，很;非常;確實(shí)如此;
?? 教室非常（quite）安靜（quiet）
"The scheme seems on the surface to be quite practical."
這個(gè)方案表面上看來似乎很實(shí)際.
近義：long, mighty, moderately, much, perfectly, pretty
反義：incompletely, approximately, insufficiently, miserably, nearly, poorly
vt. 認(rèn)為;注視;涉及;尊敬;
vi. 凝視;留意;
n. 凝視;留意;尊敬;問候;
?? 作為“看作”講大家比較熟悉 I regard him as a fool.但主考尊敬的意思。 網(wǎng)友：馬 勝 敏 補(bǔ)充：1：樹（r）下的人把哥哥（g）當(dāng)作愛人（a
"I do not regard the prospects of the company favourably."
我不看好這家公司的前景.
近義：assume, presume, suppose, surmise, suspect, ween
反義：impoliteness, incivility, indiscipline, irreverence, nonacquiescence, nonobservance