陸曄addition n. act of adding sth. to sth. else; 增加;加法
in addition to as well as 除…外 (還有)
in addition to english, he has to study a second foreign language.
除英語外,他還得學第二外語。
movie n. film 電影
a movie star 影星
a movie director 電影導演
make a movie of a story 把故事改編成電影
let』s go to the movies.
讓我們去看電影吧。
repetition n. doing or saying the same thing again once or more than once 重複
by repetitions of effort 靠反覆努力
that is a mere repetition of what you said before.
那只是重複你過去所說的話。
opportunity n. chance to do sth. 機會
grasp (seize) an opportunity 抓住機會
lose an opportunity 失掉/錯過機會
they h**e little opportunity for obtain-ing education.
他們幾乎沒有受教育的機會。
communicate v. share or exchange (information, news, ideas, etc.)
交流情況(訊息,思想等);溝通
young people sometimes complain of not being able to communicate with their parents.
年輕人有時抱怨無法與父母溝通思想。
enjoyable a. giving joy, pleasant
令人愉快的, 令人快樂的
that was a very enjoyable movie.
那是非常有意思的一部電影。
enjoy v. get pleasure from (sth.) 享受
i really enjoyed that movie.
我真的喜歡那部電影。
campus n. grounds and buildings of a university or college 校園
on campus 在校內
off campus 校外
his home is on the university campus.
他的家在大學校園裡。
rehearse vt. practice (sth.) you are going to do or say; practice a play, a concert 自個兒操練,排演
rehearsal n. 排演, 排練
the musicians rehearsed the symphony for the concert.
樂手們為**會排練交響樂。
partner n. person that you are doing an activity with, such as dancing or playing a game 同伴, 搭檔
a life partner/ a partner for life
終身伴侶
my sister was the partner of my walks.
我妹妹是和我一起散步的夥伴。
instance n. particular example or case of sth. 事例,例項
for instance 例如
how can i download a file (for instance a microsoft file) from the internet?
我怎樣才能從網際網路**文件(例如微軟文件)呢?
detail n. small facts or features of sth.; small individual fact or item 詳情;細節
in detail 詳細地
we h**en』t yet had a chance to discuss the matter in detail.
我們還沒有詳細討論此事的機會。
purchase n. act or process of buying sth.; sth. you h**e bought 購買;購置物
make a purchase 買件東西
a house is the most expensive purchase that most people ever make.
大多數人一次買的最貴的東西是房子。
environment n. conditions in which people carry on a particular activity; natural world in which animals, people and plants live 環境;自然(生態) 環境
efforts h**e been made to improve the environment around the globe.
為改善地球環境作出努力。
reliable a. that can be trusted or depended 可靠的
reliable evidence 可靠證據
ups is known for its reliable on-time delivery.
ups 以其可靠及時的遞送而聞名。
rely (on) vi. need or be dependant on; trust or h**e faith in 依賴;信賴
i rely on you for good advice.
我依賴你的好建議。
i rely on her to finish the work today.
我相信她今天能完成這工作。
source n. place from which sth. comes or is got **,出處
oranges are a good source of vitamin c.
橙是維生素c的良好**。
students must list their sources at the end of their essays.
學生必須在他們**的最後列出參考書目的出處。
input n. sth. such as energy, money or information that is put into a system so that it can operate 輸入
data input 資料輸入, 資料輸入
i didn』t h**e much input into the project.
我對該專案沒有投入多少。
handle vt. deal with , manage or control 處理,對付,控制
handle with care!
小心輕放!
this machine handles easily.
這台機器易於操縱。
apart ad. not together; separately 相隔,相距;分開地
a. separated 分離的
we were asked to stand in two lines 3 meters apart.
我們被要求站成相隔3公尺的兩排。
assign vt. give (a particular job) to sb.
分配(任務)給某人
assign homework 布置作業
soon they assigned him to a new post.
不久他們派他到乙個新的工作崗位。
第4講相似
一 知識梳理 1.比例線段的有關概念 b d叫後項,d叫第四比例項,如果b c,那麼b叫做a d的比例中項.把線段ab分成兩條線段ac和bc,使ac2 ab bc,叫做把線段ab 分割,c叫做線段ab的 分割點.2.比例性質 3.平行線分線段成比例定理 定理 三條平行線截兩條直線,所得的對應線段成比...
必修1第二章第4講
一 地球的內部圈層 1 劃分依據 波傳播速度的變化。1 波的分類及特點 2 不連續面及波速變化 以上為地殼,c d之間為地幔,d以內為地核 由e外核和f核心組成 3 岩石圈 由堅硬的岩石組成,包括地殼和上地幔頂部 軟流層以上 二 地球的外部圈層 1 大氣圈 1 範圍 下部邊界為地球海陸表面,上部邊界...
第4講動態規劃
我們先來看乙個簡單的多階段決策問題。現有一張地圖,各結點代表城市,兩結點間連線代表道路,線上數字表示城市間的距離。如圖1所示,試找出從結點1到結點10的最短路徑。第一階段第二階段第三階段第四階段第五階段 圖1本問題的解決可採用一般的窮舉法,即把從結點1至結點10的所有道路列舉出來,計算其長度,再進行...