1、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.
由于他們也必須進行短跑,因此速度至關重要 。
基本的;本質的;根本的
Most authorities agree that play is an essential part of a child's development.
大多數權威人士都同意,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:動機和時機 。
(某學科的)基礎,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節 。
2、evolve
進化;演變
The bright plumage of many male birds has evolved to attract females.
很多雄鳥進化出鮮艷的羽毛是為了吸引雌鳥 。
Maize evolved from a wild grass in Mexico.
玉米是從墨西哥的一種野生禾本植物進化而來的 。
(使)逐步發展;(使)演化
a tiny airline which eventually evolved into Pakistan International Airlines.
最終發展成巴基斯坦國際航空公司的一家小型航空公司
Popular music evolved from folk songs.
流行音樂從民歌演變而來 。
3、investment
投資
He said the government must introduce tax incentives to encourage investment.
他說政府必須推出稅收激勵政策來鼓勵投資 。
One of the most important changes concerns the investment of pension contributions.
最重要的一個變化涉及養老保險基金的投資 。
投資金額;投資物
an investment of twenty-eight million pounds.
2,800萬英鎊的投資金額
You'll be able to earn an average rate of return of 8% on your investments.
你將能獲得 8% 的平均投資收益率 。