and the existence of underwater features of considerable magnitude.
水下特征差異極大。
新概念英語第四冊 Lesson 30 Exploring the sea-floor

?? 句中詞匯解析

從本句中提取的重要詞匯

existence [?ɡ'z?st?ns] 詞頻2 詞根: sist
n. 存在,實在;生活,生活方式;實體,存在物;
?? ex出+ist站立+ence名詞后綴 →存在,生存
"belief in the existence of a benevolent god"
對于仁慈的神之存在的篤信
近義:presence, life, being 反義:inexistence, absence
underwater [,?nd?'w?t?]
adj. 在水中的;水面下的; adv. 在水下,在水中;
?? under下+water水→在水下的, 在水中的
"The ship was underwater when they reached her."
他們趕到那艘船時,船已沉到水里了.
近義:immersed, subaquatic, subaqueous, submarine, submerged, submersed
considerable [k?n's?d?r?bl] 詞頻2 詞根: 星辰
adj. 相當大(或多)的;該注意的,應考慮的;
?? consider思考+able...的→ 相當大的;重要的
"There is considerable pressure on teenagers to conform."
年輕人被大力要求守規矩。
近義:important, appreciable, numerous, abundant, plentiful, profuse 反義:inadequate, insignificant, insufficient, lacking, meager, meagre
magnitude ['m?ɡn?tud] 詞頻4 詞根: magn
n. 巨大,廣大;重大,重要;量級;(地震)級數;
?? magn大+itude后綴,構成抽象名詞 →重量
"We did not realize the magnitude of the problem."
我們沒有意識到這個問題的重要性。
近義:largeness, size, bigness, extent, majesty, stateliness 反義:shortness, slightness, tininess, trifle, minuteness, diminutiveness
features
n. 容貌;產品特點, 特征;嘴臉(feature的復數)
近義:characteristics, functions, lineament, mug, physiognomy, quirk

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