第1页共5页选修7单词mothertongue母语input(信息)输入output(信息)输出fluency流利度流畅度accuracy精确度准确度punctuation标点符号royal王室的皇家的nationwide全国性地thankful高兴的、感谢的constitution宪法liberty自由theStatueofLiberty自由女神像jungle热带丛林cafeteria小餐馆咖啡馆fold折叠、交叉global全世界的全球的decade十年trend趋势、倾向absence不存在、缺乏theory理论、学说acquisition(语言习得attain达到、获得surround环绕围绕curriculum(学校的课程adequate足够的充分的medium媒介物、渠道ensure确保保证accelerate加速target目标enlarge扩大guarantee保证adjust调节、调整inform告知、通知dedication专心致志dedicated专心致志的manual手册、指南theft偷窃announcement通告、布告cream奶油、油razor剃刀catchon学会forages很长时间mate老兄、老弟、伙计brochure小册子cab出租汽车relative亲戚、亲属congratulate祝贺explicit明确的、清楚的eyebrow眉毛onpurpose故意地upwards向上地upper上面的unconscious不知不觉的、无意的rigid僵硬的resemble像、与……相似transparent清晰易辨的、透明的unrest不安merely只、仅仅purchase购买negotiate谈判、协商outline勾出轮廓ambiguous模棱两可的offence冒犯、得罪approval赞成、赞许bent弯曲的applicant申