她感到必須接受這一邀請。

強調保護自然資源的必要性

科學出自人們處理日常問題的實際需要。

白天過去,夜幕降臨,這是必然的。

庫珀的海上小說有時因硬加上一個女主角而顯得遜色。

【記】※ 諧音“那三四題”:有必要看那三四題 ※ ne-拼音“哪”,ce-拼音“廁”,s-拼音“所”,sit-坐,y-似“樹叉”:那扎說廁所里坐的樹杈是必需品 ※ ne-拼音“哪”,ce-拼音“廁”,ss-似“兩個美女”,ity-IT業:哪咤和廁所里的2個美女有從事IT業所需的必需品

necessity n 1 [U] ~ (for sth/to do sth) circumstances that force one to do sth; state of being necessary; need 迫使人做某事的情況; 必要性; 需要 He felt a great necessity to talk about his problems. 他覺得很有必要談談自己的問題. She was driven by necessity to steal food for her starving children. 環境逼得她為挨餓的兒女偷竊食物. We will always come in cases of extreme necessity, ie if we are very much needed. 遇到緊急關頭我們一定來. There's no necessity (for you) to write to your mother every single day. （你）不必每天都給你母親寫信. We must all bow to necessity, ie accept what is inevitable. 對無可奈何的事, 我們都得聽之任之. 2 [C] necessary thing 必需品 Food, clothing and shelter are all basic necessities of life. 衣、 食、 住所是生活的基本必需品. 3 [sing] natural law that is seen as governing human action （控制人類活動的）自然規律 Is it a logical necessity that higher wages will lead to higher prices? 工資一高物價就高, 這是不是合乎邏輯的必然規律? 4 (idm 習語) make a virtue of necessity => virtue. ne,cessity is the ,mother of in`vention (saying 諺) the need for sth forces people to find a wayof getting it 需要是發明之母. of necessity necessarily; unavoidably; inevitably 必要地; 不可避免地.

*[ni'ses?ti]n. 需要, 必需品, 必然【法】 必要性, 必然性, 必要相關詞組: in dire necessity in case of necessity be under the necessity of doing sth bow to necessity of necessity