留美老师带你每日说英文 第908期:猫咪的瞳孔扩张

 台湾籍旅美老师今天交给我们的句子是：

Dilated² pupils indicates strong feelings: playfulness, agitation³, fright, or aggression⁴. In case a house is new for your cat, it dilates⁵ its pupils as a sign that it's not used to the new place yet.

瞳孔扩张代表有强烈的感受：嬉闹、激动、害怕或攻击性。假设你的猫来到新家，它的瞳孔会扩张，这表示它还不习惯新环境。

学习重点：

1.dilated 扩张的、膨胀的

dilated (adj.) 扩张的、膨胀的

dilate¹ (v.) 扩大、使膨胀

expand (v.) 展开、张开

2.pupil 瞳孔

pupil (n.) 瞳孔

cornea (n.) 角膜

eyelid⁶ (n.) 眼皮

eyelashes (n.) 眼睫毛

3.agitation 激动、不安

agitation (n.) 激动、不安

agitate⁷ (v.) 煽动、使焦虑

incite⁸ (v.) 激起、煽动

4.aggression 侵略性、敌对性

aggression (n.) 侵略性、敌对性

aggressive (adj.) 侵略的、好斗的

offensive (adj.) 进攻的、冒犯的

1 dilate   

vt.使膨胀，使扩大

参考例句：

• At night,the pupils dilate to allow in more light.到了晚上，瞳孔就会扩大以接收更多光线。
• Exercise dilates blood vessels on the surface of the brain.运动会使大脑表层的血管扩张。

2 dilated   

adj.加宽的，扩大的v.（使某物）扩大，膨胀，张大( dilate的过去式和过去分词 )

参考例句：

• Her eyes dilated with fear. 她吓得瞪大了眼睛。
• The cat dilated its eyes. 猫瞪大了双眼。 来自《简明英汉词典》

3 agitation   

n.搅动；搅拌；鼓动，煽动

参考例句：

• Small shopkeepers carried on a long agitation against the big department stores.小店主们长期以来一直在煽动人们反对大型百货商店。
• These materials require constant agitation to keep them in suspension.这些药剂要经常搅动以保持悬浮状态。

4 aggression   

n.进攻，侵略，侵犯，侵害

参考例句：

• So long as we are firmly united, we need fear no aggression.只要我们紧密地团结，就不必惧怕外来侵略。
• Her view is that aggression is part of human nature.她认为攻击性是人类本性的一部份。

5 dilates   

v.（使某物）扩大，膨胀，张大( dilate的第三人称单数 )

参考例句：

• Gas dilates the balloon. 气体使汽球膨胀。 来自《现代英汉综合大词典》
• Exercise dilates blood vessels on the surface of the brain. 运动会使大脑表层的血管扩张。 来自辞典例句

6 eyelid   

n.眼睑，眼皮

参考例句：

• She lifted one eyelid to see what he was doing.她抬起一只眼皮看看他在做什么。
• My eyelid has been tumid since yesterday.从昨天起，我的眼皮就肿了。

7 agitate   

vi.(for,against)煽动，鼓动；vt.搅动

参考例句：

• They sent agents to agitate the local people.他们派遣情报人员煽动当地的民众。
• All you need to do is gently agitate the water with a finger or paintbrush.你只需要用手指或刷子轻轻地搅动水。

8 incite   

v.引起，激动，煽动

参考例句：

• I wanted to point out he was a very good speaker, and could incite a crowd.我想说明他曾是一个非常出色的演讲家，非常会调动群众的情绪。
• Just a few words will incite him into action.他只需几句话一将，就会干。