[医] 水化物, 水合物
n (Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones
n a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
n trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
n small tubular solitary freshwater hydrozoan polyp

hydra的用法和样例:

例句

用作名词(n.)
  1. This beast is Hydra, it has terrorized my seas for far too long.这个怪兽就是九头蛇,它威胁我的海洋已经很久了。
  2. That's weird, that rope comes out of a hydra neck? I can't even reach it!真怪异
  3. We may be facing a hydra that defies any easy solution.我们也许正面临一个无法轻易解决的难题。
  4. The bodies of the hydra and sea anemone can produce buds.水螅和海葵的身体能产生芽。

词汇搭配

  • hydra(希腊神话中的)九头...

经典引文

  • They are the hydra assailants which return with every hour.

    出自:M. Robinson
【近义词】
学英语单词
acceptance declaration
acid resisting binder cement
administrative county
air operation
ammonium nitrogen
arietine
asymmetrical communication
bumps.
cadettes
canicular days
capital input constant
characteristic of correspondence
chronid
cinema organ
cohoo
colloid process
composite noise
copper-clad
cross sleeper
deltoside
depositional plane
deverall
direct dimensioning size
dust meter
escalin
ESTC
estropiated
exosporium
external lock signal
fished
floating screed strip
floe field
floor plans
frog face
Ganasag
handle bar plug
high-speed Francis turbine
hinging on
history repeats itself
hot money
hypermnesias
impeller-diffuser clearance
interlineated
international trade statistics
jack key lamp panel
Jarash
jean say
Jilin
Kardis
king of birds
kiss
kiva (n. america)
kubelsky
langerin
LDB
leycesteria formosas
measures of association
millidegree
monades
Muang Va
mullioned
muscle banners
news wires
nicky
nimblenesses
null indicating oscilloscope
oil seal
on either hand
outstanding documentary bill
palegenesis
paradisaeas
partially separate system
pehr
phonomyograph
picornavirus
pneumonyssus simicola
postprenylation
prairie gourds
production and marketing
promyelocytic leukemia
propyl p-aminobenzoate
pulse blocking counter
Q-angle
sarodiya
seldy
serpentile
Sjötorp
spiral-water turbine
subsigmoid fossae
suprathreshold audiometry
taxoid
to do one's bit
Touila
transverse reciprocating blade
trappiste
trickle-up trend
Tunica albuginea corporum cavernosorum penis
vetiver
vined peas
volatilizations
with one accord
zoledronate