文档介绍：Unit 3
Inventors and inventions
.invent vt发明、创造
inventor n发明者、创造者
invention 、创造
2 call sb up给某人打电话
call sth up使回忆起、使想
起
the smell of the sea called ul
memories of her childhood
i was about to leave when he
called me up
° The toys called up the
memories of his childhood
3 now and then
from time to time
once in a while
sometimes=at times
now that既然
64 distinguish ,
,区分、辨别
distinguish a from B辨别A与B
distinguish(between )a and B
distinguish oneself使出众,使著名
be distinguished
At what age are children able to
between right and wrong
Linxiong has already --ed himself as
an athelete
The twins are so alike that no one
can a one from the other
He distinguished himself as a
policeman by his bravery
It is his accent that distinguishes
him from other boys
merc
y仁慈、宽恕、幸运
ask/beg for mercy请求、乞求宽恕
They showed no mercy to the beggar
It is a mercy she wasn't seriously
at the mercy of sth/sb任由..摆布,
对无能为力
We were at the mercy of the weather
merciful adj. mercifully adv
merciless adj毫无怜悯的、无情的、残忍的
s6. set about doing sth开始做某事
e set out to do sth
She set about cleaning the house
° set up
set ,
留出时间空间
set back使推迟延误
set off点燃、引爆、动身、引起
● set down写下、放下、让某人下车
°7. stain n污点、污渍
a blood/coffee stain
stainless steal不锈钢
● stained a
d沾有污渍的
e8. expectation n预料、预期、期待
expect sb to do sth
9
seize
、夺取、攻占
seize a chance /an opportunit
抓住、把握
10 valid 、确凿的、认
可的
● validly adv.
validity 、合法性、认可