Necessary
[ 'n?s?s?ri ]
第1級
其它 Other
adj. 必要的;強制的;必然的;不可避免的;
n. 必需品;
?? 詞根助記
necess必要 + ary 表示有...性質的， → a.必要的；必然的
?? 例句
An added voltage is necessary to overcome the barrier thus created.
必須增加一個附加電壓去克服這樣引起的位壘。
"Vigorous state action" was necessary.
“強有力的國家行動”是必不可少的。
All necessary materials should be on hand.
一切必須的材料應準備就緒。
Oxygen is necessary for life.
氧氣是生命所必需的。
An autoclave is usually necessary for preparation of the culture media.
培養基通常要進行高壓殺菌。
?? 聯想助記
【記】※ ne-拼音“哪”,ce-拼音“廁”,ss-兩個美女(s似“美女”),a-一,ry-拼音“人妖”:哪咤認為在廁所里幫兩個美女抓一個人妖是必要的
※ ne-拼音“哪”,ce-拼音“測”,s-拼音“試”,sa-拼音“沙”,r-拼音“讓”,y-拼音“疑”:哪咤來測試沙和尚的武功是必要的,不讓唐僧疑慮
? 同義詞
?? 反義詞
?? 詞根
-ary既表示“(形容詞綴)...的”
又表示“某種人”
常見的變體有-ory
?? 牛津釋義
necessary
adj
1 essential for a purpose; that cannot be done without or avoided 必須的; 必需的; 必不可少的; 不可避免的
I haven't got the necessary tools. 我沒有必需的工具.
Is it necessary for us to meet/necessary that we meet? 我們非見面不可嗎?
She hasn't the experience necessary for the job. 她沒有做那事所需要的經驗.
Sleep is necessary to/for one's health. 睡眠對健康是必不可少的.
2 that must be; inevitable 必然的; 必定的; 無可避免的
If a = b, and b = c, then the necessary conclusion is that a = c. 設a = b, b = c, 則結論必定是a = c.
the necessary consequences 必然的結果.
3 (idm 習語) a ,necessary `evil thing that is undesirable and possibly harmful but must be accepted for practical reasons （按照實際情況）不得不認可的不合意甚至有害的事物
The loss of jobs is regarded by some as a necessary evil in the fight against inflation. 有些人認為要遏止通貨膨脹就難免有人得失業.
?? 考研助記
哪咤(ne)嫦娥(ce)兩條蛇(ss)照看一棵(a)樹苗(ry)是 必須的 兩個e夾著c跟了兩個s
?? 醫學釋義
①必要的，必需的 ②必需品
?? 同詞根單詞
?? 同為「計算機」詞匯
查看全部計算機詞匯 ›??? 情景例句
Were you afraid?
你害怕嗎？
No, Jeanne, I wasn't ill. I know I look older than my age now. That's because of hard work-ten years of hard work.
沒病，讓娜，我沒生過病。我知道我看上去比我的年紀要大些，那是因為勞累的緣故--10年的勞累呀！
They carved a whole page of characters back-to-front in the wood.
他們在木板上刻滿整頁的反字（背面朝上）。