necessary
adj. 必要的; 必然的
n. 必需品
Something that is necessary is needed in order for something else to happen.
I kept the engine running because it might be necessary to leave fast...
我沒讓發動機熄火,因為也許需要迅速離開。
We will do whatever is necessary to stop them...
我們要採取一切必要措施去阻止他們。
A necessary consequence or connection must happen or exist, because of the nature of the things or events involved.
Wastage was no doubt a necessary consequence of war...
巨大的損耗無疑是戰爭的必然結果。
Scientific work is differentiated from art by its necessary connection with the idea of progress.
科學工作與藝術的區別在於它與人類進步有著必然聯絡。
Necessaries are things, such as food or clothing, that you need to have in order to live.
...a small parcel of necessaries tied up in a handkerchief and carried on a stick.
用手絹包好挑在棍子上的一小包生活必需品
If you say that something will happen if necessary ,when necessary, or where necessary, you mean that it will happen if it is necessary, when it is necessary, or where it is necessary.
If necessary, the airship can stay up there for days to keep out of danger...
必要時,飛艇能在那裡停留數天以躲避危險。
The army needs men who are willing to fight, when necessary...
軍隊需要在必要時願意投入戰鬥的軍人。
1. anything indispensable;
1. absolutely essential
2. unavoidably determined by prior circumstances;
indispensable, essential, necessary, requisite
這些形容詞均有"必不可少的,必需的"之意。
a necessary evil
無法避免的壞事;不得已的事
They were ready to die , if necessary, for their country.
必要時, 他們願為國捐軀.
They always sum up their ( work ) experience whenever it is necessary, so they improve rapidly.
他們總是隨時總結經驗, 所以工作質量提高很快.
He wasn't good navigator, so it is necessary that the coastline remain in sight as he moved from one harbor to the next.
他不擅航海, 所以當他從一碼頭駛到另一碼頭時,得一直沿海岸線航行.
He believed that in building socialism it was necessary to make thorough plans on behalf of the state.
他認為搞社會主義,要替國家好好打算盤.
It's necessary for leading cadres to keep frequent contacts with the masses.
領導應和群眾經常見面.