(perpetuity 的复数) n. 永久, 不朽, 终身职位, 终身任期, 永久使用权
[经] 永续年金, 终身年金
plural of perpetuity
n. the property of being perpetual (seemingly ceaseless)

学英语单词
accomplish nothing
anti-xi-zero
antipastoes
arvicanthiss
autoecious fungus
axial oil
basketeer
berthierite
bestripe
bletia striatas
bow your head
breunnerite
carbon baby
cardinal numerals
carpoxenia
cetocrine
chemically-reactive dyes
Chrysozona pulvialis L.
circuit closing contacts
circular conchoid
coagment
combined magnet system
contestations
cross-division
derrick leg
descriptive text
Ericsson selector
etale cohomology
failure-tolerant parallel programming
family Chelonidae
feistinesses
ferro fluid
foam water cannon
fta-abs
gamesters
give someone a fix
hania
ijits
indigotines
interfund settlements
ionization gradient component
JFRG
job evaluation system
Junr.
kohs
Kurdzhinovo
lazo
lecithoprotein
localized laminectomy
machine with closed circuit ventilation
maindrag
mammilli-
manna grasses
manual signal box
melancholy as a cat
Metilenbiotic
misantropos
multivariate innovations algorithm
Mupung
nil pointer
non-dualism
NPCs
offnormal
piezoelectric coupling coefficient
pithos
pursue the proper legal law
pyrrhocephalus
quasi continuous operation
rational interpolation
rough ... in
running of the bulls
sacked cement
scaberd
Schwarzian derivative
self-regulating process
separate regulations
siallitic weathering crust
skeptic
slivering
snoreth
space-time geography
spirulidaes
spring tongue
suborbital vacuity
symbol registration file
tantalizingly
tell one's own tale
terminals
termination rate
traductive
transmission cycle
tubulation
tuppers
twin sweaterset
un detachable
underdiscusses
viars
waster
wifi
wipey
woolgathers
yarrell