背诵托福词汇要找对方法，方法对了，不仅速度可以提上去，质量也提上去了，死记硬背永远都不行。今天，请看北京新航道托福频道为大家精选的第三组托福重点词汇。

　　1、technique　/ tekˈniːk; tɛkˋnik/ n

　　(a) [C] method of doing or performing sth, esp in the arts or sciences 技术; 方法; 手段; (尤指艺术或科学方面的)技法, 手法, 技巧: applying modern techniques to a traditional craft 将现代技术用於传统手工业.

　　(b) [U] skill in this 技能:

　　displayed

　　(a) flawless technique 显示出精湛的技艺.

　　2、1)v,threaten

　　[Tn, Tn.pr] ~ sb (with sth) make a threat or threats against sb;try to influence sb by threats 恐吓或威胁某人: threaten an employee with dismissal 以开除要挟雇员

　　例：My attacker threatened me with a gun. 攻击我的人用枪威胁我.

　　[Tn, Tt] use (sth) as a threat 用(某事)相要挟: He threatened legal action. 他以起诉相要挟.

　　例：The hijackers threatened to kill all the passengers if their demands were not met. 劫机者扬言若不满足他们的要求, 就把乘客都杀死.

　　(a) [It, Tn] give warning of (sth) 预示(某事): It keeps threatening to snow, ie Snow seems likely all the time. 天总像是要下雪.

　　例：The clouds threatened rain. 有乌云预示要下雨.

　　(b) [I, It] seem likely to occur or to do sth undesirable 似将发生;似将做出令人不快的事: under a threatening sky 在阴沉的天空下

　　例：If a gale threatens, do not go to sea. 假若要起风, 就不要出海.来源：北京新航道托福培训

　　例：a mistake that threatens to be costly 可能造成重大损失的错误.

　　[Tn] be a threat to (sb/sth) 对(某人[某事])构成威胁: the dangers that threaten us 威胁着我们的种种危险

　　例：a species threatened by/with extinction 有灭绝之虞的物种.

　　2)threateningly

　　adv: The dog growled at me threateningly.那条狗对着我狂吠, 很吓人.

　　3、sediment　/ ˈsedɪmənt; ˋsɛdəmənt/ n [U]

　　matter that settles to the bottom of a liquid 沉淀物: a wine with a gritty sediment 有沙粒状沉淀物的葡萄酒.

　　matter (eg sand, gravel, mud, etc) carried by water or wind and deposited on the surface of the land 沉积物(如沙﹑ 砾石﹑ 泥等).

　　2)sedimentary 　/ ˏsedɪˈmentrɪ; ˏsɛdəˋmɛntərɪ/ adj

　　of or like sediment; formed from sediment (似)沉淀物的; 由沉淀物形成的

　　sedimentary rocks, eg sandstone, limestone, slate 沉积岩(如砂岩﹑ 石灰岩﹑ 板岩).

　　3)sedimentation　 / ˏsedɪmenˈteɪʃn; ˏsɛdəmɛnˋteʃən/ n [U]

　　(geology 地质) process of depositing sediment 沉淀; 沉积.

　　上面就是今天要大家掌握和学习第三组托福重点词汇，希望考生不在于记得多，但是要记得准记得精，预祝各位考生都能够夺得桂冠，实现自己的梦想。

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