Travellers on short trips to areas with water supplies of uncertain quality should avoid drinking tapwater, or untreated water from any other source.
短途旅行到水質(zhì)不保險(xiǎn)的地區(qū)時(shí)，應(yīng)避免飲用水龍頭的水或未經(jīng)處理任何其他來源的水。
新概念英語第四冊(cè)
Lesson 38 Water and the traveller
?? 句中詞匯解析
從本句中提取的重要詞匯
adj. 不確定的;不穩(wěn)定的;不明確的;無常的;
?? un不，沒有+certain確實(shí)的→不確定的，靠不住的
"We didn't have the picnic because the weather was uncertain."
我們沒有出去野餐,因?yàn)樘鞖庾兓媚獪y(cè).
近義：hesitant, hesitative, imprecise, improbable, inconclusive, indecisive
反義：inarguable, indisputable, indubitable, invariable, irrefragable, irrefutable
n. 質(zhì)量，品質(zhì);美質(zhì)，優(yōu)點(diǎn);才能，能力，技能，素養(yǎng);品種;
adj. 優(yōu)質(zhì)的，高質(zhì)量的;上流社會(huì)的;
?? qual資格+ity表名詞 → n.質(zhì)量；品質(zhì)，特性
"The burden of his complaint was that quality was very poor."
他投訴的要點(diǎn)是品質(zhì)非常差.
近義：manner, mode, nature, way, character, kind
反義：poorness, shoddiness, sleaziness, trashiness
vt. 避開，避免，預(yù)防;[法]使無效，撤銷，廢止;
?? a=out處于+void空→empty out空出來→避開，避免
"Write clear definitions in order to avoid ambiguity."
釋義要寫清楚以免產(chǎn)生歧義。
近義：parry, avert, prevent, shirk, shun, sidestep
反義：approach, initiate, launch, start, tackle, wage
n. 根源，本源;源頭，水源;原因;提供消息的人;
vt. （從…）獲得;發(fā)起;向…提供消息;尋求（尤指供貨）的來源;
vi. 原料來源;起源;尋求來源;尋求生產(chǎn)商（或提供商）;
?? source(rise)→泉源；源頭
"I've heard from a reliable source that company is running very badly."
我已從一位可靠人士那兒獲悉,這家公司經(jīng)營(yíng)得非常糟糕.
近義：resort, resource, procedence, provenance, provenience, root
short
[???rt]
詞頻1
詞根: sh-
adj. 短的，短暫的;矮的;短缺的;短期的;
adv. 突然;唐突地;簡(jiǎn)短地;橫貫地;
n. 短褲;短路;缺乏;
vt. 故意少給…的零頭，騙取;
vi. 短路;
?? 削頭”（諧音）削了頭人還能不 矮嗎？ 網(wǎng)友：雙木成林 補(bǔ)充：縮的（諧音），這樣就成短的；矮的
"The short story is a difficult art form to master."
短篇小說是一種很難掌握的藝術(shù)形式。
近義：abridgment, abbreviation, little, minute, small, squat
反義：lengthened, lengthy, imprudent, intrepid, manful, mettlesome