17 B
combination 组合，结合 in combination with
This painkiller can be used in combination with other.
fire v. 发射，开枪
The lasers will be fired from a ground station.
Where was the gun fired from?
over + time = through + time
I am sorry I can't go out with you the other day, I was very busy over the last couple of days.
Over the weekend, I spent sometime thinking about my life goes.
join force to do = work together with sb top accomplish sth.
bring sth closer to reality = make sth. possible
not live in a real world
describe someone who only cares about their own oppinion but never show interest in others.
use a ribbon to wrap present 包装礼物
call for = to need or require
Taking care of young sick animal calls for extra care and patience.
solar panels太阳能电板
electric motor 引擎
18a+b
tether 系链，栓绳
realm 领域；国土
She is still naive in the realm/world of politics.
3D printer has moved out from the realm of scientific fiction.
People are concerned about the safety of the realm[国土安全]
disbelief do sth. in disbelief
An expression of disbelief crossed his face when I told him what happened.
have a great potential in
Frank has a great potential in music.
orbit 环绕v.；轨道n.
The satellite is orbiting the earth.
with (#) exception(s)
You are allowed to bringing anything into this room with exceptions: food and drinks.
sth. must be adj1 yet adj2. describe sth must have 2 qualities
This is an urgent assignment, and whoever does the job must be fast yet very detailed.
The supplied we buy must be very good quality and inexpensive because we have a tight budget.
space debris 太空残片
have/get the last laugh
He was teased by his classmates for his stammer, but he got the last laugh after practicing speech dilligently.
The girl who was laught at got the last laugh.
detractor诽谤者
laugh all the way to the bank 发财
19a shopping for bargains
bargain n.便宜货；v. 讲价
bargain with 与…砍价
It took me a lot time to bargain with the vendor.
resist抗拒
deal
make a deal = an agreement in business 成交
I got a great/good deal[] on this pants, they are only 20 Yuan.
for ages = for a very long time
He has loved that girl for ages.
A bus usually comes every half an hour, but today, we all waited for ages.
walk away from = resist、leave some situation
Walking away from a fight is a good idea, since we should try to fix our problem in other way.
Walk away from attempting box of chocolate, othrewise you minght eat the whole box.
the oldest trick
a sucker for sth.
Sometimes I am a sucker for great deals when I ａｍ ｓｈｏｐｐｉｎｇ．
