essential
adj
1 [esp pred 尤作表语]
~ (to/for sth) necessary; indispensable; most important 必要; 不可缺少; 最重要
Is money essential to happiness? 金钱对於幸福是必不可少的吗?
It's essential that you attend all the meetings. 你务必要参加所有的会议.
`Secretary wanted: previous experience essential.' `招聘秘书: 须有经验.'
2 [attrib 作定语]
relating to sb's/sth's basic nature; fundamental 本质的; 基本的
His essential decency makes it impossible to dislike him. 他十分正派, 使人不能不喜欢他.
What is the essential theme of the play? 这剧本的主题是什麽? essential, n (usu pl 通常作复数) fundamentally necessary element or thing 要素; 要点
A knowledge of French is an absolute essential. 会些法语是非常必要的.
the essentials of English grammar 英语语法纲要
We only had time to pack a few essentials. 我们只来得及装上几件必需品.
Considering how recent these developments are, it is even more remarkable that as long ago as the 1960s, an Englishman, Leon Bagrit, was able to predict some of the uses of computers which we know today.