音标:['reidɒn] ; 柯林斯词典等级:1 级;
n. 氡
[化] 氡Rn
n. a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
词型变化:名词复数形式 : radons
词性分布:
名词100%

radon的用法和样例:

例句

用作名词(n.)
  1. Radon is the daughter of radium.氡是镭的子体。
  2. Where does the indoor radon come from?室内氡气是从哪里而来?

词汇搭配

  • radon breath analysis呼吸中的氡含量分析...
  • radon gas氡气
【近义词】
  • Rn[化]元素氡的符号(=r...

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Acetylcoumarin
autoloads
badinerie (france)
bait fishing
bake-wares
blackpowder
Blanqui, Auguste
Brassiophoenix
centurion
clear a bill
clear view screen window
close-in weapon system (ciws)
coke-fired crucible furnace
cold water spray
comatricha nigra
conjugated yarn
CW optical maser action
direct towards
Dirgue
disinvagination
diverge on
dough-nut
drama series
enneapterygius rhabdotus
ethylsulphuric acid
exchange of borrowing
family electrophoridaes
ferrule fixing key
Filaria diurna
fling down a challenge
Foerster's operation
forced production
foundation hydraulics
full premimum if lost
furnace plan area
granger-cause
guild regulations
haematachometer
have two strikes against one
honey extractors
hosetail
hydraulic retention time
hyperconcentrator
indigestibleness
induced draft
inert gas crystal
inverse filter
ionic crystal structure
Jungner cell
KANU, K.A.N.U
l'escalier
lamiel
lateral angle (eye)
maik
mankilling
mantis prawn
matasar
mean parallex
measure on limiting the range of rise in prices
medusome
metal oxide semiconductor integrated circuit
methylene dye
mode of magnetization
motilityregulating
multivariable feedback
ned-
nested macro call
nominal operating condition
not exchange half a dozem words with
octagram
off-impedance
out-burn
PCOB
phase lock technique
pituitous catarrh
Processus ciliares
pseudorealistic
radio link protocol
radioactive clocks
range-changing switch
red curry
reference groups
rejuvenatingly
relay static characteristic
Roegneria glaucifolia
rounding-off milling cutter
rovere
scanning thermometer
seismologic statics
self-driven instrument
singularity analysis
strike of sheep
sturgiss
subperiosteal anesthesia
Sulsoxin
teemu
temporaliss
Thalitone
the common cold
three edge pebble
tightening idler
undulative