a. 不会疲倦的, 坚持不懈的, 不倦的, 不使人疲倦的, 不会令人厌烦的
(unwearying 的复数)

学英语单词
a brain
accessory ingredient
adelaidas
adenohypersthenia gastrica
Aegialitidae
affidavit of export
agricultural aviation
Arlesey
axial sensitivity
baizley
Barremian Age
Bergschenhoek
bond premiums
bone-chisel
breaker-mixer
breast of lamb
bulbotomy
calcium disodium edetate
Camellia transnokoensis
centumviri
communication training
consulting hours
cost of reproduction less depreciation
cross-training
crusoe
cull fruit
current routine
dereify
distributed processing memory
dytetragonal
ferromagnetic particle
ferrous ammonium sulfate
float type tank gauge
floppily
Fluk
flux flattering region
gradient
grayed check value
Harezm
heat-actuated fire door
hemiterata
hippomania
holdredge
Igok
immaterialising
insanity of puberty
interpersonal roles
jeckell
job ticket
K-scale
karait
keep sth to oneself
key pin
lexicometry
live bearing fish
Liveral
lubinsky
millisievert
mixing axle speed
mojonnier lo-temip evaporator
moulded decoration
nitrogen-containing alloy
non reversible steering gear
non-consumable arc-melting process
nyungwe
ophthalmic lenses
optimum relay servomechanism
overvulcanize
Pacific air route
panegyrising
penny-prick
plane of easy slip
production for merchandise
proofplane
proteomics
pseudoconcavity
ramp region
red-tinted
related data
scheduled plan
secondary standard file
security audit
showpieces
side-by-side dual control
silent agitator
simple program
single frame writing
sinusoidal angular modulation
skiograph
souvenier
standard master terminal routine
Stimmung
stomach juice
study-bedroom
subscribe for
suspension stability control
syndrome of stirring wind due to yin deficiency
three-card monte
Vermel's sign
voltage-regulating system
zero of sample system