adj. 過多的;多余的;不必要的;奢侈的;
?? super超過,過度+flu流+ous形容詞后綴→流出太多→多余的
"He had already been told, so our comments were superfluous."
早就有人同他說過, 所以我們的意見是多余的.
近義:needless, sumptuary, unnecessary, unrequired
反義:indispensable, inevitable, mandatory, needful, obligatory, obliged
adj. 必要的;強(qiáng)制的;必然的;不可避免的;
n. 必需品;
?? necess必要 + ary 表示有...性質(zhì)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