Unit 5 First aid 期末派生法背记单词清单-2025-2026学年高中英语人教版选择性必修第二册

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人教版 选择性必修二 UNIT 5 First aid. 期末派生法背记单词

 

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1

technique /tekˈniːk/ n. 技能;技术;技艺

His painting technique has improved a lot this year.(他的绘画技巧今年进步了很多。)

1. technical /ˈteknɪkl/ adj. 技术的;专业的2. technician /tekˈnɪʃn/ n. 技术员;技师

1. This job requires good technical skills in computer repair.(这份工作需要良好的电脑维修技术能力。)2. The technician came to fix the broken printer this morning.(技术员今早来修理坏了的打印机。)

2

organ /ˈɔːɡən/ n. (人或动植物的) 器官

The heart is one of the most important organs in the human body.(心脏是人体最重要的器官之一。)

organic /ɔːˈɡænɪk/ adj. 有机的;器官的

My mother always buys organic vegetables because they are healthier.(我妈妈总买有机蔬菜,因为它们更健康。)

3

toxin /ˈtɒksɪn/ n. 毒素(尤指细菌产生的致病物质)

The toxin from this poisonous mushroom can cause serious illness.(这种毒蘑菇中的毒素会引发严重疾病。)

toxic /ˈtɒksɪk/ adj. 有毒的;有害的

This chemical is toxic to fish, so we can’t pour it into the river.(这种化学物质对鱼类有毒,不能倒入河里。)

4

radiation /ˌreɪdiˈeɪʃn/ n. 辐射;放射线

The sun emits harmful ultraviolet radiation.(太阳会释放有害的紫外线辐射。)

1. radiate /ˈreɪdieɪt/ vt. & vi. 辐射;散发2. radioactive /ˌreɪdiəʊˈæktɪv/ adj. 放射性的

1. The fireplace radiated warmth throughout the small room.(壁炉向整个小房间散发着温暖。)2. This radioactive material must be stored in a special container.(这种放射性物质必须存放在特殊容器中。)

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5

acid /ˈæsɪd/ n. 酸;adj. 酸的;酸性的

Lemon juice tastes sour because it contains acid.(柠檬汁尝起来酸,因为它含有酸。)

acidic /əˈsɪdɪk/ adj. 酸性的;含酸的

Rainwater becomes slightly acidic due to air pollution.(受空气污染影响,雨水会呈弱酸性。)

6

minor /ˈmaɪnə(r)/ adj. 较小的;次要的;轻微的

He made a minor mistake in his math homework and corrected it quickly.(他的数学作业里有个小错误,很快就改过来了。)

minority /maɪˈnɒrəti/ n. 少数;少数民族

The minority group in this area has preserved its traditional culture.(这个地区的少数民族保留了自己的传统文化。)

7

electric /ɪˈlektrɪk/ adj. 电的;用电的;电动的;electric shock 触电;电击

We use electric fans to keep cool in summer.(夏天我们用电风扇降温。)

1. electricity /ɪˌlekˈtrɪsəti/ n. 电;电力2. electrical /ɪˈlektrɪkl/ adj. 与电有关的;电气的

1. We should save electricity by turning off lights when leaving rooms.(离开房间时关灯,这样可以节约用电。)2. My uncle is an electrical engineer who designs power systems.(我叔叔是电气工程师,负责设计电力系统。)

8

swollen /ˈswəʊlən/ adj. (身体部位) 肿起的;肿胀的;swell /swel/ vi. (swelled, swollen) 膨胀;肿胀

Her ankle was swollen after she fell down the stairs.(她从楼梯上摔下来后,脚踝肿了。)

swelling /ˈswelɪŋ/ n. 肿胀;肿块

The doctor pressed the swelling on his arm to check if it hurt.(医生按压他手臂上的肿块,检查是否疼痛。)

9

blister /ˈblɪstə(r)/ n. (皮肤上因摩擦、烫伤等引起的) 水疱;(金属等表面的)气泡、水泡

She got a blister on her heel from wearing new shoes.(穿新鞋让她的脚后跟起了个水疱。)

blister /ˈblɪstə(r)/ vt. & vi. 起水疱;使起水疱

New leather shoes often blister your feet until they are broken in.(新皮鞋没穿顺之前,很容易磨得脚起水疱。)

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nerve /nɜːv/ n. 神经

Nerves carry messages from the brain to other parts of the body.(神经将大脑的信号传递到身体其他部位。)

1. nervous /ˈnɜːvəs/ adj. 紧张的;神经的2. nervously /ˈnɜːvəsli/ adv. 紧张地

1. She felt nervous before her first public speech.(第一次公开演讲前,她感到很紧张。)2. He held the microphone nervously and started speaking.(他紧张地握着麦克风,开始讲话。)

11

loose /luːs/ adj. 松的;未系紧的;宽松的

The belt is too loose—can you help me tighten it?(这条腰带太松了,你能帮我系紧点吗?)

1. loosen /ˈluːsn/ vt. & vi. 松开;放松2. loosely /ˈluːsli/ adv. 松散地;宽松地

1. He loosened his tie after working for a whole day.(工作了一整天后,他松开了领带。)2. The books were stacked loosely on the shelf, so some fell off.(书在书架上堆得很松散,所以有些掉了下来。)

12

urgent /ˈɜːdʒənt/ adj. 紧急的;急迫的;急切的

There’s an urgent meeting this afternoon—we must attend it.(今天下午有个紧急会议,我们必须参加。)

1. urgency /ˈɜːdʒənsi/ n. 紧急;迫切2. urgently /ˈɜːdʒəntli/ adv. 紧急地;迫切地

1. The teacher explained the urgency of finishing the project on time.(老师说明了按时完成项目的迫切性。)2. The injured man needs to be sent to the hospital urgently.(这个受伤的人需要紧急送往医院。)

13

ease /iːz/ vi. & vt. (使) 宽慰;减轻;缓解;n. 容易;舒适;自在

Listening to soft music can ease your stress after work.(下班后听轻音乐能缓解你的压力。)

1. easy /ˈiːzi/ adj. 容易的;舒适的2. easily /ˈiːzəli/ adv. 容易地;轻松地

1. This English test is easy for students who study hard.(对于努力学习的学生来说,这次英语考试很容易。)2. She can easily solve this math problem in five minutes.(她能在五分钟

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