音标:['helpful] ; 柯林斯词典等级:2 级; 牛津三千核心词汇;
a. 有帮助的, 有益的, 有用的
a. providing assistance or serving a useful function

考试类型:[中考/高考/四级/六级/考研/托福]
词性分布:
形容词100%

helpful的用法和样例:

例句

用作形容词(adj.)
  1. You are very helpful.您真帮了我的大忙。
  2. These things are helpful for my life.而且对我的生活是有帮助的。
  3. These tactics are unlikely to be helpful to you.这种方法对你未必有用。
  4. The experience in army is helpful to him.他从军的经历对他很有用。

常见句型

用作形容词(adj.)
用作定语~+ n.
  1. She is a helpful girl.她是位乐于助人的姑娘。
  2. The teacher gave us a lot of helpful books in maths.老师给了我们许多数学上有帮助的书。
  3. It was a helpful thing to do.这样做是有益的。
用作表语S+be+~
  1. You've been very helpful.你帮了很多忙。
  2. She is intelligent, outgoing and helpful.她聪明、开朗、乐于助人。
  3. The book is really helpful, don't you think?这本书真的很有用,不是吗?
  4. I always think criticism is helpful.我总认为批评是有益的。
S+be+~+ prep .-phrase
  1. He is always very helpful to his mother.他对他母亲总是很有帮助。
  2. This dictionary is very helpful to your English study.这部词典对你学习英语很有帮助。
  3. It's helpful to us.这对我们有利。
It is/was+~+for〔of〕 sb+to- v
  1. Don't throw it, it is helpful for us to repair the bike.别扔了它,它对我们修自行车有帮助。
  2. It was helpful of you to do that.你那样做真是助人为乐之举。
用作宾语补足语S+V+O+~
  1. You may find this book helpful.你会觉得这本书很有用的。

词汇搭配

用作形容词 (adj.)
~+名词
  • helpful comment有益的评论
  • helpful friend益友
~+介词
  • helpful in在…方面有帮助的
  • helpful to对…有帮助的,对…有益的
  • helpful to teenagers对青少年有益的

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学英语单词
?-oxidation
accelerated draught
acclimatation
acute toxin
aeromancer
aplanatic refraction
barreter
be the spitting image of sb
biela
boiler pass
bootstrap sawtooth generator
Boveda
breathes out
brick cheese
carcharodons
chrysalise
class instinct
cmy
combinational optimization
Cyhalofop-butyl
dactylosymphysis
dangerous cargo on deck
disembittered
disprovided
domestic fowls
electraglide
engage in both export and import business
english teachers
equal-order digit
ergodic transformation
feed-off-the-arm bed sewing machine
Ferschweiler
floating tail
floggings
focusing barrel
French Riviera
general catalogue
ginglymo-arthrodial
grimy
guidwillie
halichoeres scapularis
hydrodynamic analogy
ice-cream boy
indie-label
k'ai an wu
Kalmycks
karyosherical
lead collimator
long-goner
low Reynolds number
Marvel Loch
maschaliatry
mass-energy cycle
mcf
metaalbumin
metal prop
Milas
moed
muscazone
muskily
negative term
novarsenobillon
nucleus Clarke's
o-aminobenzaldoxime
outer regular
output transmission
packet data network
pars anteriors
penumbra region
piercing tentacle
pleomorph
popcorn
pre-emptive adjustment
principle of cross liability
prlg
queue-oriented search program
radiokrypton
rectus superior
rendezvouses
rite of renewal
Sande, Earl
satyrions
schifrin
self-centering brake
Seminskiy Khrebet
sight-translating
springhare
standard registration service
state song
subungulata
take leave to do something
tienocarbine
Tofieldia
towing vehicle
Uggdal
unified model
Urban V
uria aalges
wall cooling
Yonghae-ri
zero-point fluctuation
zhelev