1、demonstration
示威;示威游行(或集會)
Riot police broke up a demonstration by students.
防暴警察驅(qū)散了示威的學(xué)生
。mass demonstrations.
群眾性示威
證明;論證;表明;說明
This is a clear demonstration of how technology has changed.
這清楚地表明了技術(shù)已有了怎樣的進(jìn)步
。This was a very practical demonstration of why the Army trained people to be disciplined.
這很實(shí)際地說明了為什么軍隊(duì)要將士兵訓(xùn)練得遵規(guī)守紀(jì)
。(特質(zhì)的)顯示;(情感的)表露
There's been no public demonstration of opposition to the President.
沒有人對總統(tǒng)公開表示反對
。physical demonstrations of affection.
身體上的親昵
2、essential
絕對必要的;必不可少的;基本的
It was absolutely essential to separate crops from the areas that animals used as pasture.
將莊稼和放牧區(qū)分開絕對必要
。As they must also sprint over short distances, speed is essential.
由于他們也必須進(jìn)行短跑,因此速度至關(guān)重要
。基本的;本質(zhì)的;根本的
Most authorities agree that play is an essential part of a child's development.
大多數(shù)權(quán)威人士都同意,玩耍在孩子成長過程中起著非常重要的作用
。In this trial two essential elements must be proven: motive and opportunity.
在這次審訊中,必須證明兩個基本因素:動機(jī)和時機(jī)
。(某學(xué)科的)基礎(chǔ),基本知識
the essentials of everyday life, such as eating and exercise.
飲食、鍛煉等日常生活的要素
This has stripped the contest down to its essentials.
這就使比賽精簡到最基本的環(huán)節(jié)
。