音标:[.prәutә'ni:mә] ;
n. 原丝体
n. The primary growth from the spore of a moss, usually
consisting of branching confervoid filaments, on any part of which stem
and leaf buds may be developed.

protonema的用法和样例:

例句

用作名词(n.)
  1. Describing the characters and developmental features of spore germination and protonema development of moss applied in this research by microscopy.采用显微观察的方法具体描述了藓类植物孢子萌发与原丝体发育的特征及发育特点。

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学英语单词
abandonment contour
aeronautical education
afp conversion and indexing facility
aniline dyestuff
Aristippus of Cyrene
army marches on its stomach
automatic rejection
Baranof I.
Basket Project
be on the alert
beauwalloside
Bequimao
bouche de tapir
Cain, James M.
cat gasoline
chrondrocarcinoma
chunwangs
circumorbital
classical computers
Coast Guard patrol cutter
coboller
congenital dilatation of colon
conyer
cornual pregnancy
counter-cultural
croonians
defensive project
diapase
downy mildew of cucurbits
error-in-variable model
erythrogenic toxin
extrusive rocks
Flattnitz
fluential
force density
frame relay forum
gratulance
hangman's halter
higher isotope
hot metal mixer
hydatid disease of brain
infolding
insurance-oriented
international baccalaureate organization (ibo)
ion mass spectrometer
Ipswichian
island delta
Jammah
jewface
kcal (kilocalorie)
langrage, langridge
Lat Bua Luang
linear code
loose area
lunar seismogram
magnetic charge
microscopic anatomies
microwave thickness meter
MINIAC
momentary fast valving
mountain phloxes
Myeongtal-li
nakajimas
narrow-band lock-in nim amplifier
network operation center
New Guinea
non-harmonic tones
optimum program
panty hose
pawprints
pedigree breeder
pithoi
port congestion surcharge
profitable firm
pterois antennata
put into service
Realized Yield
reflecting prism
renewal and reconstruction of fixed assets
Right in Forms
rotor stop lever
rubus
Ruminobacter
semi-automatic computer directed layout machine
separation number
servo relay
severe trauma
sotto in su
steel-bar
summon to appear in court
tail lamps
tax
tendres
the ground
things to come
to cover something
tramp stamps
unacting
use-by dates
vertovec
Vitimskoye Ploskogor'ye
wall-breaker