Unit 5 A delicate world-新教材高中英语选择性必修第二册【新课程同步训练】学习手册（外研版）

学 Unit�5 A�delicate�world 重 点 单 词 单词整合 appetite 单词释义 （ 1 ） n. physical desire for food 食欲； 胃口 ★He suffered from headaches and loss of appetite. 他患有头痛和食欲不振。 （ 2 ） n. a strong desire for something 强烈的欲望 ★He has an amazing appetite for knowledge. 他求 知欲很强。 multiply 单词释义 （ 1 ） v. to do a calculation in which you add a number to itself a particular number of times 乘以 ★The children are already learning to multiply and divide. 孩子们已经开始学习乘法和除法了。 （ 2 ） v. to increase by a large amount or number, or to make something do this 大大增加， 使倍增 ★Smoking multiplies the risk of heart attacks and other health problems. 吸烟大大增加了患心脏病 和其他疾病的危险性。 decrease 单词释义 （ 1 ） v. to become or make something become smaller in size, number, etc. 减少； 减小； 降低 ★The number of new students decreased from 210 to 160 this year. 今年学生人数从 210 减少到 160 。 （ 2 ） n. the process of reducing something or the amount that something is reduced by 减少； 降低 ★There is some decrease in military spending this year. 今年军费开支有所减少。 trap 单词释义 （ 1 ） n. a piece of equipment for catching animals 陷 阱； 夹子 ★The wolf was caught in a trap. 这只狼被困在陷阱 里。 （ 2 ） v. to keep someone in a dangerous place or bad situation that they want to get out of but cannot 使陷入困境 ★They were trapped in the burning building. 他们被 困在燃烧的楼房里。 explode 单词释义 （ 1 ） v. to burst or make something burst loudly and violently, causing damage 爆炸； 爆破； 爆裂 ★Bombs were exploding all around the city. 城里到 处是炸弹的爆炸声。 （ 2 ） v. to suddenly become very angry or dangerous 勃然 （大怒）； 大发 （雷霆） ★Suddenly Charles exploded with rage. 突然， 查尔 斯勃然大怒。 Unit 5 A delicate world Period 1 Starting out & Understanding ideas 归纳拓展 give someone an appetite for 让某人胃口大开 have an appetite for 有……欲望 归纳拓展 decrease from...to 从……减少到…… decrease by 减少了…… on the decrease 在减少 on the increase 在增加 归纳拓展 fall into/avoid the trap of doing something 掉进 / 避免掉进陷阱 be trapped in 被困住 55 学 第二册 （外研版）高中英语选择性必修 owe 单词释义 （ 1 ） v. have to pay someone for something that you have already received or return money that you have borrowed 欠 （债）； 欠 （账）