Knowledge is a comfortable and necessary retreat and shelter for us in advanced age, and if we do not plant it while young, it will give us no shade when we grow old.
?? 名句詞匯解析
從本句名言中提取的重要詞匯，幫助你深度理解這句話
n. 了解，理解;知識（表示多方面的知識時有復數knowledges這一用法）;學科;見聞;
?? know知道+ledge框架 → 知識
"She has acquired a good knowledge of English."
她英語已經學得很好。
近義：idea, learning, notion, background, sageness, sapience
反義：nescience, philistinism, unacquaintance, unawareness, unfamiliarity, benightedness
adj. 舒適的;安逸的，處于輕松的;充裕的;
?? com共同+fort強大，力量+able能...的 → 愉快舒適的
"We stayed at Tom's place. It isn't exactly Buck House, but it's comfortable enough."
我們待在湯姆那里。那并不是巴克宮，但足夠舒適了。
近義：inviting, snug, cosey, cozie, comfy, cosy
反義：inconvenient, awkward, uneasy, unemployed, comfortless, constrained
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
vi. 撤退，后退;撤銷，作罷;（眼睛等）凹進;[航]向后傾斜;
n. 撤回;靜居處;引退期間;靜思，靜修;
?? re回，向后+treat拉→拉回來→撤退
"The army was forced to retreat after suffering heavy losses."
部隊因傷亡慘重被迫撤退。
近義：leave, back, backtrack, recede, retire, retrocede
反義：invasion, assault, attack, offensive, onrush, onset
n. 植物，草木;設備;工廠;莊稼;
vt. 種植;安，插;建設，布置;移民于;
?? plant Plant=plant,表示”種植”
"The plant exudes a sticky fluid."
這種植物分泌出一種黏液。
近義：seed, sow, cultivate, shrub, industry, installation
反義：reap, crop
adj. 先進的;高等的，高深的;年老的;晚期的;
v. 前進(advance的過去式和過去分詞);增加;上漲;
?? advanc前進+ed...的→ 先進的，高級的
"There were only three of us on the advanced course."
只有我們三人學高級課程。
近義：progressive, civilized, developed, forward, anticipated, late
反義：posterior, subsequent, succeeding, ulterior, farther, following