Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出這樣的準備是必要的,因為無法預見到洞穴探險者究竟會遇到什么性質的困難。
新概念英語第三冊 Lesson 42 Modern cavemen

?? 句中詞匯解析

從本句中提取的重要詞匯

sort [s?rt] 詞頻1
n. 分類,類別;品質,本性;方法;一群; vt.& vi. 分類;整頓,整理;適合; vt. 挑選;把…分類;將…排順序; vi. 分類;交往;協調;
?? sort(kind)→種類;分類;整理;揀選
"You can't see in this light, but my new coat is a sort of brownish colour."
這種光線下你看不清楚,其實我的新外衣帶棕色。
近義:arrange, order, organise, organize, pigeonhole, range 反義:jumble, mess, muss, shuffle, tousle, upset
necessary ['n?s?s?ri] 詞頻1 詞根: necessar
adj. 必要的;強制的;必然的;不可避免的; n. 必需品;
?? necess必要 + ary 表示有...性質的, → a.必要的;必然的
"Vitamin D is necessary to aid the absorption of calcium from food."
從食物中吸取鈣需靠維生素D的幫助。
近義:indispensable, inevitable, mandatory, needful, obligatory, obliged 反義:needless, pointless, profitless, purposeless, redundant, reiterative
impossible [?m'pɑs?bl] 詞頻1 詞根: im
adj. 不可能的,做不到的;難以忍受的;不會有的,不能相信的; n. 不可能;不可能的事;
?? im不,無,非+possible可能的→不可能的
"She was such a contrary child—it was impossible to please her."
這孩子老跟人作對,沒法讓她高興。
近義:impracticable, unachievable, unattainable, unfeasible, unreachable, unrealizable 反義:approachable, incidental, likely, obtainable, attainable, open
nature ['net??] 詞頻1 詞根: 出生
n. 自然;天性;天理;類型;
?? nat出生的+ure狀態→出生狀態→天性
"the adversarial nature of the two-party system"
兩黨制的對抗性
近義:milieu, surroundings, circumambiency, medium, ecosystem, environment
confront [k?n'fr?nt] 詞頻3 詞根: con
vt. 面對;使面對面,使對質;碰到,遇到;比較;
?? con共同+front前額→互相面對→對抗,面臨
"Counsellors encourage victims of crime to confront their emotions."
輔導員鼓勵罪案受害人直面自己的情感.
近義:outbrave, run, tackle, brave, breast, face 反義:parry, avert, prevent, shirk, shun, sidestep

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