it naturally limits all those engaged in carrying it out from effective contact
那些從事科研的人員自然受到了限制。他們不能進行有效的接觸
新概念英語第四冊
Lesson 15 Secrecy in industry
?? 句中詞匯解析
從本句中提取的重要詞匯
adv. 自然地,表現自然地,順理成章地;合理地,當然,不用說;生來,天然地;自自然然,不做作地;
?? natur=nature自然+ally副詞后綴 →自然地
"His hair curls naturally."
他的頭發天生鬈曲。
近義:certainly, artlessly, effortlessly
反義:likely, maybe, perchance, perhaps, plausibly, possibly
adj. 有效的;起作用的;實際的,實在的;給人深刻印象;
n. [軍]現役兵額,有生力量,精兵;
?? ef出+fect做,制作 +ive形容詞后綴 →做出來的 → 有效的
"The police bandobast was very effective."
警方的安排十分奏效。
近義:curative, curing, helpful, assistive, operating, operative
反義:incapable, ineffective, ineffectual, inefficacious, inept, inexpert
n. 接觸;觸點;[醫](傳染病)接觸人;門路;
vt. 使接觸;與…聯系;與…通訊(或通話);
vi. 聯系,接觸;
?? con共同+tact接觸→共同接觸 → 接觸;聯系
"I don't have much contact with my uncle."
我和叔父甚少聯系。
近義:reach, touch, nexus, relations, relationship, ties
adj. (指廁所等)有人用的;已訂婚的;(指電話)占線的;忙碌的;
v. 與某人訂婚;保證,約定;從事( engage的過去式和過去分詞);吸引或引起(注意、興趣等);
"The old lady engaged herself in making clothes for her children."
這位老太太忙著為孩子們做衣服.
近義:betrothed, affianced, occupied, bound, obligated, pledged
反義:quit, unattached, uncaught, clear, disengaged, free
n. 范圍;領土;極限(limit的復數)
近義:range, sweep, boundaries, extent