-
·
reduce
·
v.
<
/p>
[r
?
'dju
?
s]
( reduces; reduced;
reducing )
·
·
双解释义
·
vt.
缩减
,
减少
;
降低
make less in size, amount, price,
degree, etc.
·
vi.
减轻体重
,
节食
lose weight
intentionly; diet
·
vt.
降职
make sb lower in rank or status; demote
sb
·
vt.
使
…
陷
入
某种
状态
或
状
况中
bring sb/sth
into
a
specified
state
or
condition
·
vt.
将
…
概括或简化
change sth to a
more general or basic form
·
vt.
将
…
还原
remove
oxygen
from
or
add
hydrogen
or
electrons
to
(a
compound)
·
基本要点
?
的基本意思是
“
减
少
”
,
指重量、程度、数目、范围、速
度等减少或降低
,
不仅可以指量的变化
,
还可以指质的转变。
引申可作
“
降职
”“
使
…
陷入某种状态或
状况中
”“
将
…
概括或简化
”“
将
…
还原
”“
征服
”“
攻陷
”
等解。
可用作及物
动词
,
也可用作不及物动词。用作及物动词时接名词或代词作<
/p>
宾语。可用于被动结构。
偶尔也可接动词不定式作宾语补足语
,
意思是
“
使
…
不得不
…”
。
后常接介词
by
表示
“<
/p>
以某幅度减少
”
或
“
以
…
方法减少
”
; reduce
常接
介词
to
表示
“
减少到
…”
或
“
使陷
入
…
状态
”
。
的过去分词
reduced
常可用作形容词
,
在句
中作定语。
?
·
词汇搭配
?
?
～
+
名词
reduce a person to reason
使人服理
1
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?
?
reduce the city
to a shambles
使城市变成瓦砾
reduce
the loss of blood to a minimum
把失血减少到最低量
reduce the passage to half the number
of words
把这段字数减少到一半
reduce
the size
缩小体积
～
+
副词
reduce easily
容易征服
reduce
gradually
逐步缩小
reduce
greatly
大大减少
reduce
markedly
明显地减少
reduce
materially
大为减少
reduce
necessarily
必要地减少
reduce
sharply
锐减
～
+
介词
reduce sth from...to
把某物从
…
降至
…
reduce
in
在
…
方面减少
,
在
…
方面降低
reduce in
price
削价
reduce oneself
into
陷入
reduce
to
使变成
…
,
使陷入
reduce to despair
陷入绝望
reduce to slavery
沦为奴隶
·
常用短语
?
reduce by(v.+prep.)
▲
reduce sth by sth/v-ing
1.
使
…
以
(
某幅度
)
减少
make (sth such as an amour or price) less
She reduced her weight by five kilogram
s.
她把体重减轻了
5
公斤。
The new canal will reduce the
distance between the two cities by half.
新
运河将使两个城市间的距离缩短一半。
2
They have
reduced the price by ten percent.
他们已降价<
/p>
10%
。
We
are going to reduce the price of these coats by 20
per cent.
我们打算把
这些上衣减价
< br>20%
销售。
◇
用于
be
～
ed
结构
The price was reduced by ten percent.
价格降低了
10%
。
2.
以
…
方法减少
make (sth such as an amount or
price) less by doing sth
Reduce the sauce by boiling it for ten
minutes.
把调味汁煮沸
10
分
钟
,
使之浓
缩变稠。
< br>
Some fat people try to reduce their
weight by eating less.
有些胖人试图通
过少吃减肥。
3.
用
…
方法还原
remove
oxygen
from
or
add
hydrogen
or
electrons
to
(a
compound)
with
sth
The chemist
reduced water by
electrolysis.
化学家用电解法把水还原为氢。
?
?
reduce from(v.+prep.)
使
…
低于
make (sth such as a price) less than (a former
level)
▲
reduce sth from
sth
I bought
this shirt because it was considerably reduced
from its original
price.
我买这件
上衣是因为它远远低于它的原价。
?
?
reduce in(v.+prep.)
使
…
方面降低
bring (sth/sb) down with regard to (a level,
price, etc.)
▲
reduce sb/sth
in sth
He would
not reduce it in
price.
他不愿降低它的价格。
They have decided to reduce him in
post.
他们已经决定降他的职。
3
◇
用于
be
～
ed
结构
Most of the daily necessities have been
greatly reduced in
price.
大部分日
用品已大降价。
He was reduced in
rank.
他被降级了。
?
?
reduce to(v.+prep.)
〔说明〕
reduce
to
通常不用于进行体。
1.
使降低到
,
遭受
bring sth to a smaller number or amount; change
sth to its
parts; bring or get to a
certain condition, especially humble, unpleasant,
or dishonourable
▲
reduce sb/sth to sth/v-ing
They reduced the expenses to 60 per cen
t.
他们将开支压缩到
60%
。
We should reduce the
unproductive expenditure to a minimum.
我
们应该把非生
产性开支压缩到最低限度。
The fighting reduced the city to a sham
bles.
这场战斗使这座城市成了一片废
墟。
A conflagration in 1947 reduced 90
percent of the houses to ashes.1947
年
的一场大火
,
使
90
%
的房屋化为灰烬。
Even
when we reduce the salt to a fine powder, it still
tastes salt.
即使
把食盐捣成粉末
,
它还是有咸味的。
A
succession of bad harvest had reduced the small
farmer to penury.
连续歉
收使得这个小农场
主陷入了贫困境地。
Anxiety about the
fate of his family reduced him to a nervous wreck.
对家
人命运的担忧使他精神崩溃。
◇
用于
be
～
ed
结构
His income has been reduced to half its
amount.
他的收入减少了一半。
The operation must be carefully planned
so that the loss of blood would be
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