[化] 使用期限; 有效期限

life span的用法和样例:

例句

  1. The machine's life is very long.这机器使用寿命很长。
  2. Women have a higher life expectancy than men.女人比男人的预期寿命长。
【近义词】

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学英语单词
2-(1-Pyrrolidinyl)methyltestosterone
a thousand times easier than
abbaties
accounting document
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administrative lead time
Anchusa tinctoria
auto mechanic
AWSR
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condensation potential
copacetic
dependable flow
Derviziana
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Elaeagnus liuzhouensis
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electrostatic condenser
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extraordinary remedies
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FLANIR
fluorouridine
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general merchandise purchasing and supply station
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hizo
hostile water
if the occasion should arise
IFEO
indol(e)amine
instruct to
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Investment advisory service
isotope fraction
lay of strands
logical notation
Logone River
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mass resolution
mass spectrophot-ometer
mesoscale high pressure area
muck rolling
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Nebolchi
notists
one man
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optical-fiber sensor
outer transport area
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podujevoes
postmortem diagnsis
power balance equation
primary halo
pseudomucinous cystadenocarcinoma
psilosopher
Puccinellia subspicata
quasiuniform
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quick-make switch
Raied
Ramatuelle
rated useful output power
regwort
robin's-egg
rocket-flash triangulation
roflcopter
rutile
self-adjoint boundary value problem
slag-heap
strike a chord
suburbanity
supporting member
sway beam
thethey
tittlebat
transverse canals
tribrachidiums
two-dimensional consolidation
u-ra series
utterancy
verbifies
Walker advancer
weckmann
xenolinguists