中小学教育资源及组卷应用平台 外研版 八下 Unit 4 Helping out.同步词汇笔记 序号 单词 词形变化 派生词 核心考点 例句 1 excuse v. 原谅；excuse me 劳驾 过去式：excused；过去分词：excused excuse n. 借口 1. excuse me 劳驾 2. excuse sb for sth 原谅某人某事 Excuse me, can you tell me the way to the library 劳驾，你能告诉我去图书馆的路吗？ 2 purple adj. 紫色的 比较级：purpler；最高级：purplest 无 1. purple clothes 紫色的衣服 2. purple flower 紫色的花 She likes to wear purple dresses in summer. 她夏天喜欢穿紫色的连衣裙。 3 crayon n. 彩色蜡笔 复数：crayons 无 1. a box of crayons 一盒彩色蜡笔 2. draw with crayons 用蜡笔画画 My little sister has a lot of colourful crayons. 我的小妹妹有很多彩色蜡笔。 4 five-year-old adj. 五岁的 无 无 无 The five-year-old boy can sing many English songs. 这个五岁的男孩会唱很多英文歌。 5 sunshine n. 阳光 无 无 1. warm sunshine 温暖的阳光 2. in the sunshine 在阳光下 The cat is lying in the sunshine happily. 小猫正开心地躺在阳光下。 6 virus n. 病毒 复数：viruses 无 1. computer virus 电脑病毒 2. virus infection 病毒感染 We should wash hands often to keep away from viruses. 我们应该勤洗手远离病毒。 7 afford v. 买得起，付得起 过去式：afforded；过去分词：afforded 无 1. afford to do sth 负担得起做某事 2. can't afford 买不起 His family can't afford a new house in the city. 他家买不起城里的新房子。 8 disappointment n. 失望，扫兴，沮丧 复数：disappointments disappoint v. 使失望；disappointed adj. 失望的 1. to one's disappointment 令某人失望的是 2. feel disappointment 感到失望 To our disappointment, the sports meeting was cancelled. 令我们失望的是，运动会被取消了。 9 X-ray n. X光检查 复数：X-rays 无 1. take an X-ray 拍X光片 2. X-ray machine X光机 The doctor asked him to take an X-ray of his leg. 医生让他拍一张腿部的X光片。 10 treatment n. 治疗，诊治；疗法 复数：treatments treat v. 治疗；对待 1. medical treatment 医疗 2. receive treatment 接受治疗 He is receiving treatment in the hospital these days. 这些天他正在医院接受治疗。 11 pocket n. 衣袋，口袋；pocket money 零花钱 复数：pockets 无 1. pocket money 零花钱 2. put in the pocket 放进衣袋 My parents give me some pocket money every month. 我父母每个月给我一些零花钱。 12 illness n. 病，疾病 复数：illnesses ill adj. 生病的 1. serious illness 重病 2. suffer from illness 患病 He missed a week of school because of a serious illness. 他因为重病缺了一周课。 13 wheelchair n. 轮椅 复数：wheelchairs 无 1. push a wheelchair 推轮椅 2. sit in a wheelchair 坐在轮椅上 The kind boy helped the old man push his wheelchair across the street. 这个善良的男孩帮老人推轮椅过马路。 14 public adj. 公众的，大众的；go public 公开，公之于众 无 public n. 公众 1. go public 公开 2. public place 公共场所 We should not speak loudly in public places. 我们在公共场所不应该大声说话。 15 mention v. 提到，说起，谈到 过去式：mentioned；过去分词：mentioned 无 1. mention sth 提到某事 2. mention sb 提到某人 She didn't mention her new job in the conversation. 她在对话里没提到她的新工作。 16 directly adv. 直接地 无 direct adj. 直接的；v. ... ...
