n. [医]镇静剂，止痛药，能使安静的东西；adj. 镇静的，镇定的，止痛的，使镇静的，使安静的；
[例句] They use opium as a sedative, rather than as a narcotic.
[例句] Amber bath oil has a sedative effect.
vt. 剥壳，剥外皮，脱去；n. 壳，外皮，荚，毫无价值的东西；
[例句] ...corn shucks.
[例句] On a good day, each employee will shuck 3,500 oysters.
vt.& vi. （使）放慢，（使）放松、松懈、松弛，（使）减弱；
[例句] Inflationary pressures continued to slacken last month...
[例句] The Conservative government will not slacken the pace of radical reform.
vt. 剪去，用…剪，削减；n. 剪，剪切声，（剪下的）片断，小片，藐小的人；
[例句] He has now begun to snip away at the piece of paper...
[例句] He snipped a length of new bandage and placed it around Peter's chest.
n. 易受影响或损害的状态，感受性，感情（脆弱之处），磁化系数；
[例句] ...his increased susceptibility to infections.
[例句] I am well aware that in saying this I shall outrage a few susceptibilities.
vt. 阻挠，使受挫折，挫败，横过；n. 横座板，划手座，独木舟的横梁；adj. 横放的，横着的，穿过的，执拗的，固执的；adv. 横跨着，横过；prep. 横跨，横过；
[例句] The accounting firm deliberately destroyed documents to thwart government investigators...
[例句] Her ambition to become an artist was thwarted by failing eyesight.
vt.& vi. 跋涉，吃力地走；n. 跋涉，长途疲劳的步行，沉重的脚步，沉重疲累地走着的人；
[例句] We had to trudge up the track back to the station.
进来，到达，当选，（赛跑等比赛中）取得（名次）；
[例句] Reports are now coming in of trouble at yet another jail.
[例句] She had no money coming in and no funds.
裁短，减少，把…砍倒[割掉]，驳倒；
[例句] He cut down on coffee and cigarettes, and ate a balanced diet...
[例句] Car owners were asked to cut down travel...
（使）起床，安排，举起，站起来；
[例句] I got up and walked over to where he was.
[例句] They have to get up early in the morning.
泄露，失去，赠送，（在婚礼仪式中）将新娘交给新郎；
[例句] He was giving his collection away for nothing...
[例句] We have six copies of the book to give away.
（法律、合同等正式）通过，用完，检查，完成；
[例句] He was going through a very difficult time...
[例句] South Africa was going through a period of irreversible change.
隐瞒，控制，阻碍，犹豫不决；
[例句] The administration had several reasons for holding back...
[例句] Melancholy and mistrust of men hold her back.
用完，耗尽，跑出去，到期；
[例句] They have run out of ideas...
[例句] We're running out of time...
n. 书( book的名词复数 )，卷，课本，账簿；v. 预订( book的第三人称单数 )，登记，（向旅馆、饭店、戏院等）预约，立案（控告某人）；
[例句] His eighth book came out earlier this year and was an instant best-seller...
[例句] 'Robinson Crusoe' is one of the most famous books in the world.
n. 类型，类型( type的名词复数 )，铅字，（印刷或打印的）文字，于…类型的；v. 打字，打字( type的第三人称单数 )，[医学]测定（血型），按类型把…归类，成为…的典型；
[例句] …several types of lettuce…
[例句] There are various types of the disease...
n. 信号( signal的名词复数 )，（无线电或电视所传送的）讯号，标志，（尤指铁路和公路上的）指示灯；v. 发信号，用信号传达，用信号通讯( signal的第三人称单数 )，发暗号，示意；
[例句] They fired three distress signals...
[例句] As soon as it was dark, Mrs Evans gave the signal...
vi. （与…）交往，联谊，参与社交；vt. 使社会化，使适合于过社会生活，使参加集体学习；
[例句] ...an open meeting, where members socialized and welcomed any new members...
[例句] It distressed her that she and Charles no longer socialized with old friends.
adj. 不受欢迎的，不流行的，无人望的，不得人心的；
[例句] It was a painful and unpopular decision...
[例句] In high school, I was very unpopular, and I did encounter a little prejudice...
n. 英里( mile的名词复数 )，很多，一英里赛跑，大面积；
[例句] They drove 600 miles across the desert...
[例句] The hurricane is moving to the west at about 18 miles per hour...