台湾籍旅美老师今天交给我们的句子是：

Dilated pupils indicates strong feelings: playfulness, agitation, fright, or aggression. In case a house is new for your cat, it dilates 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
dilate (v.) 扩大、使膨胀
expand (v.) 展开、张开

2.pupil 瞳孔
pupil (n.) 瞳孔
cornea (n.) 角膜
eyelid (n.) 眼皮
eyelashes (n.) 眼睫毛

3.agitation 激动、不安
agitation (n.) 激动、不安
agitate (v.) 煽动、使焦虑
incite (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