has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了畢生的精力來研究世界各地的活火山和探洞。
新概念英語第二冊 Lesson 67 Volcanoes

?? 句中詞匯解析

從本句中提取的重要詞匯

lifetime ['la?fta?m] 詞頻3
n. 一生，壽命;有生之年;存在期，有效期; na. 終生;終身保障;[核]壽命;
?? life生命+time時間→ n.一生，終身
"His diary was not published during his lifetime."
他的日記在他生前未曾發表過。
近義：time, age, epoch, era, generation, lifelong
spent [[spent]] 詞頻1
a. 用盡的, 精疲力竭的\\nspend的過去式和過去分詞
近義：outworn, unavailable, consumed, depleted, exhausted
active ['?ktiv] 詞頻1 詞根: 行動
adj. 積極的，活躍的，有生氣的;迅速的，敏捷的;有效的，起作用的; n. [語法]主動語態;積極分子，活躍的人;
?? act(做)+ive(形綴)=active 活動的 積極的 pass(傳遞)+ive(形綴)=passive 被動的
"Although he's nearly 80, he is still very active."
盡管快80歲了，他還是十分活躍。
近義：keen, astir, operative, powerful, spirited, sprightly 反義：out, antipathetic, antithetic, antithetical, negative, contrarious
deep [dip] 詞頻1 詞根: /di:/
adj. 深的;深遠的，深奧;重大的，深刻的;強烈的，痛切的，深厚的; n. 深處，深淵; adv. 深深地，深入地;
?? 地鋪(諧音):地鋪很 深 網友：馬勝敏 補充：說明:如果把deep的p按照逆時針方向翻轉180度就會變成deed(行為,事情) 如果把deep的d垂直翻轉180
"Sam was born in the country and had a deep affinity with nature."
薩姆在鄉下出生，特別喜愛大自然。
近義：abysmally, profoundly, deeply, abysmal, profound, chasmal 反義：shoal, superficial, simple, uncomplicated, basic, cushy
world [w?ld] 詞頻1
n. 世界;地球;領域;塵世;
?? 一句（l）話（word）講出 世界的本質
"In a world that had suddenly become alien and dangerous, he was her only security."
在一個突然變得陌生而危險的世界里，他是她唯一的守護神。
近義：humanity, civilisation, civilization, orb, earth, globe

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