1、outline
概述;概括
The mayor outlined his plan to clean up the town's image.
市长概述了他整顿市容的计划
。The methods outlined in this book are only suggestions.
本书概括的一些方法仅供参考
。(因背后的光线)显示…的轮廓(或外形)
The Ritz was outlined against the lights up there.
高悬的灯光映照出里兹饭店的轮廓
。It was a beautiful sight outlined above the starry sky.
星空之上映衬出美景
。(尤指模糊的)轮廓,外形
He could see only the hazy outline of the goalposts.
他只能看见球门柱模糊的轮廓
。2、essential
绝对必要的;必不可少的;基本的
It was absolutely essential to separate crops from the areas that animals used as pasture.
将庄稼和放牧区分开绝对必要
。As they must also sprint over short distances, speed is essential.
由于他们也必须进行短跑,因此速度至关重要
。基本的;本质的;根本的
Most authorities agree that play is an essential part of a child's development.
大多数权威人士都同意,玩耍在孩子成长过程中起着非常重要的作用
。In this trial two essential elements must be proven: motive and opportunity.
在这次审讯中,必须证明两个基本因素:动机和时机
。