2. to know or feel closely the nature of (a person, feelings, etc.) 領(lǐng)會，了解(人，感情等)

3. working for; controlled by 為．．．工作；受．．．支配

underground also tube BrE; subway AmE n. a railway system in which the trains run in passages under the surface of the ground 地下鐵道

understand v. 1. to know or get the meaning of (something) 懂；理解；明白

2. less than;

syn. below 少于；低于；在．．．以下

ant. over

2. undecided or unable to decide 未作決定的；無法斷定的

be uncertain about 對．．．不確定

uncle n. the brother of one’s father or mother, or the husband of one’s aunt伯父；叔父；舅父；姑丈；姨丈

under adv. in or to a lower place; below 在下；往下；少于

prep. 1. directly below; covered by 在．．．下面，在．．．底下；被．．．遮掩著

3. to change to 變成 (辯析) turn：強調(diào)變化結(jié)果。有成為完全不同的事物的含義。例：The milk turned sour. 牛奶變酸了。turn還常用于顏色的變化。例：The trees turn green. 樹變綠了。grow: 有逐漸變成新的含義，強調(diào)變化過程。例：The trees is growing tall. 那棵樹逐漸長高了。become, get, go 通常表示變化的過程已經(jīng)完成。其中become 比較正式，get和go較口語化。例：Tom becomes ill.湯姆病了。He has got poor.他變窮了。The food must have gone bad. 食物一定變壞了。

n. a chance or duty to do something in a particular order of time or place 依次序輪流得到的機會; 輪到的責(zé)任

turn down 關(guān)小; 調(diào)低

turn ... into... 變成; 變得; 把...... 變成......

turn off 關(guān)掉(自來水、電燈、收音機等)

turn on 開；旋開(電燈、無線電等)

turn over 翻到; 翻身; 翻(書頁)

turn to 翻到; 轉(zhuǎn)向; 求助于

turn up到達; 出現(xiàn)

twelfth [twelf ] num. 第十二

twelve [twelv] num. the number 12 十二

twentieth [tweti ] num. 第二十

twenty [twenti] num. the number 20 二十

twice [twais] adv. two times 兩次; 兩倍

two [tu:] num. the number 2 二

type [taip] v. to use a typewriter 打字

n. a kind; a sort; an example of a group 型; 類別; 典型 (辯析) kind表示種類時，指性質(zhì)相同的東西；type主要指類型、樣式；sort 指種類基本相似的東西，講話時意思較含糊。

type-writer [‘taip’rait ] n. a machine for writing 打字機

typist [‘taipist] n. a person who type 打字員

U

ugly adj. unpleasant to see 丑陋的，難看的

UK n. abbrev.. United Kingdom (of Great Britain and Northern Ireland) (大不列顛及北愛爾蘭) 聯(lián)合王國

umbrella n. an arrangement of cloth over a folding frame with a handle, used for keeping rain off the head 傘，雨傘

unable adj. not able; without the power, knowledge, time, etc., to do something 不能的；無能為力的；不勝任的；沒時間做的

uncertain adj. 1. not certain; doubtful 不確定的；不明確的；可疑的

2. to change direction 轉(zhuǎn)變方向

2. to see if you like something, or if something works 試

try on 試穿

try one's best 竭盡全力

try out 試驗

Tuesday [‘tju:zdi] n. the third day of the week 星期二

turn [t[:n] v. 1. to go around; to make something go round 轉(zhuǎn); 使轉(zhuǎn)動

2. faithful 忠誠的

come true 實現(xiàn)

trust [tr st] v. to believe in a person or thing 信任; 相信

n. belief in the honesty, etc. of a person 信任

truth [tru: ] n. what is true 真實; 實際情況, 真相; 真理

try [trai]v. 1. to do what one can; to make an attempt 試圖; 嘗試;驗想辦法

2. to give medical help to 醫(yī)治; 治療

treatment [‘tri:m nt] n. medical care from a doctor 治療

tree [tri:] n. a large plant from which we get wood 樹

trick [trik] n. practical joke 惡作劇

play a trick on 捉弄

trip [trip] n. a short journey 遠足; 旅行

have a good trip 旅行愉快

trouble [‘tr bl] n. sadness, difficult, worry 煩惱; 困難; 麻煩

v. to worry, to disturb 煩惱; 擾亂

in trouble 處于困難(苦惱)中

trousers [trauz z]n.(pl.) a garment which covers the legs, usually worn by men 褲子, 長褲

truck [tr k]n. a large car for carrying heavy loads by road 卡車

true [tru:] adj. 1. correct, right, not a lie 真的, 真實的

2. a job for which some training is needed 行業(yè); 手藝; 工作

v. buy and sell; engage in trade 交易; 經(jīng)商 (辯析)business 日常用語，含義較廣，泛指“做生意”，常有以利潤為主的含義，例：What business are you in? trade 最普通的用詞，一般不同的商業(yè)機構(gòu)之間的商品交易或表示各種特殊商品的貿(mào)易和對外貿(mào)易。例：Japan does a lot of trade with China.

traffic [‘tr fik] n. cars, buses, etc. moving in the roads 交通

train [trein] n. several carriages joined together on the railway 列車; 火車

v. to teach; to practise 培養(yǎng); 訓(xùn)練

trainer ['trein ]n. a person who trains 訓(xùn)練人; 教練

training ['treini ] n. training or being trained 訓(xùn)練; 培訓(xùn)

training centre 訓(xùn)練中心

translate [tr ns’leit] v. to change from one language into another 翻譯

translate ... into... 把......譯成......

transport v. [tr ns’p :t] to carry something from one place to another 運輸; 輸送

n.[‘tr nsp :t] the act of moving or carrying something 運輸

travel [‘tr vl] v. (traveled, traveling) to go from one place to another 旅行

n. the act of travelling 旅行

treasure [‘tre ] n. a collection of precious things 金銀財寶; 珍寶

treat [tri:t] v. 1. to behave towards 對待

treat ... as ... 把......當(dāng)作......