na. 为…所必要
[网络] 对…有必要;对…有须要

be necessary to的用法和样例:

例句

用作连词(conj.)
  1. Food is necessary to maintain life.食物是维持生命所必需的。
  2. This is how the work must be done.这就是做此项工作所必需的方法。
学英语单词
.ccb
agile programming
air side blown converter
androsterone
anti-chavez
axoplasm
basic proparty
bio-ecology
boldwoods
Bourg-St-Audéol
caffarella
Carex longpanlaensis
chancrous adenitis
clock time and date see rds
complex font
compound interest curve
compressed-air loudspeaker
connect duration
craftist
creddle
Cremanthodium lineare
curly brackets
demonstrative pronouns
deutery
dischurching
dissipatings
distraughted
epigastrical
Epsilon-Zelle
error of pivot
ethylenediaminetetra-acetic
excess sound pressure
Formatting marks
geske
grape ice
green space layout
grey scale for assessing change in colo(u)r
gun-running
homoeopathical
Ibimirim
indium antiomonide (insb)
ingroup advantage
intercalary month
Jacobian polynomial
jiuxian powder
Khaypudyra
lateral transistor
local compression
lupous scar
many-sideds
marcabru
metallurgic product analysis
Michell bearing
micro-cracks
minimizing diameter therapy
monimiaceous
myalgic
ofthat
oxypinocamphone
palace coup
pantagraph
peen rammer
Peripeduncular
PETALODONTIFORMES
petroleum substitute
pharyngoesophagram
polarity indicator (current indicator)
population experiment
prepars
pronaos
prunts
random access discrete address
Rhêmes-St-Georges
roast porks
rukiyah
rustily
santa fean
scale rule
sheafification
Sinsido
sizemore
solid molding
spearphishing
spring spindle
superfetant
superstor
technology-stock
techy
termination of lines
texeira
the lvy league
three-d survey
translator program
trigger mechanaism
tubing mill
ultra-high frequency electricity
urban sprawl
viewing port
vowelizations
XNOR gate
yarwoods
Zura