词根opt-,ops-,oc-,oci-,ocul-,-ow的含义为eys,to see= 眼睛,看见,与eye同源

optic adj.视觉的 视力的 (opt=eye:眼睛)+(ic=形容词后缀)和眼睛相关的=视觉的;视力的

搭配:the optic nerve:视神经

optical adj.视力的;光学的 (optical =optic +al) 视力的 ;光学的

optical instrument 光学仪器

optical experiment 光学实验

window 窗户

windowsill 窗台

atrocity n. (尤指战争中的)残暴行为

atr-(=fire:火)+-oc(=to see :看见)+-ity(名称后缀)

commit this atrocity

An atrocity is a very cruel,shocking action

The killing was cold-blooded,and those who committed this atrocity should be tried and punished

autopsy n.验尸 尸体解刨 auto-(=self:自己的;亲自的)+ops-(=a sight:看见)+y(名词后缀)为查明死因,自己亲自看尸体

automatic 自动的

automation n.自动化

an autopsy report 一个尸检报告

to perform an autopsy 做一个尸体检查

ferocious adj.凶残的,激烈的

fer-(=fierce=wild 狂暴的 野生的)+oci(looking appearing :看起来狂暴的)

ferocious = fer+oci+ous=看起来凶残的

a ferocious beast/attack/storm:

By its very nature a lion is ferocious 

ferocity fer(=fierce :激烈的) oci + ity(名词后缀)

ferocity n.残暴 猛烈

the ferocity of the attck:猛烈攻击

daisy n.雏菊

day's eye 

antler n.鹿角

ant = before :前边 ler (=ocular =of the eyes )

ocular 眼

ante-前

ant-前

antecede v.领先 提前 

inoculate vt.给...预防接种;打预防针

in-(=in:进入)+-ocul(eye:眼睛;针眼)

inoculate every child 

immunize 和 vaccinate 

immunize 使免疫

vaccinate 接种

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