SBIIAUnit 1 Making a differenceWords and expressionsgenius n. very clever person 天才;英才 The man (Darwin) was something of a genius. 这个人可算是个天才。 inspiration n.[u] thought or idea that helps someone to write a book or music, paint etc.灵感;启示 An artist often draws his inspiration from natural beauty. 艺术家常从自然美中得到启发。 n.[c] a thing or a person that gives such influence 启发灵感的人或物 His heroic deeds will always be an inspiration to us. 他的英雄事迹对我们将永远是一个鼓舞。 perspiration n. 出汗undertake v. engage in, take steps to perform 从事;着手做(undertook; undertaken) He undertakes a piece of work. 他从事着一项工作。 v. agree to do something 承担;接受 He undertook to be our guide. 他同意做我们的向导。 analysis n.分析;分解 analyses pl. I obvious adj. very clear, easy to see or understand 显然的;明显的 It's obvious that he hasn't read the book. 他显然没有读过这本书。 within prep. inside; less than a certain amount 在…之内;不超过;在…范围以内 I will be back within an hour. 我在一小时之内回来。 quote Rn. 引语;引文agriculture n.[u] the art or practice of farming 农业;农艺 Agriculture is the foundation of the national economy. 农业是国民经济的基础。 gravity n. 重力;引力radioactivity n.[u] the characteristic property of radioactive substances放射现象;放射性 Some rare metals have radioactivity. 某些稀有金属具有放射性。 curious adj. wanting to know about something 好奇的;很想知道的 She is curious to know what happens. 她好奇地要知道发生了什么事。 adj. wanting to know too much 爱打听的 Don't be too curious about things you are not supposed to know. 对于不要你知道的事别去打听。 branch n. one of the arms of a tree that grow out from the trunk 树枝 The little bird hid among the branches of the tree....