na. 偶尔;有时;时不时

学英语单词
accredit
acetyl-alpha-methylfentanyl
airless spraying plant
archless furnace
assorting tolerance
Bermatingen
Bessel formula for solution of geodetic problem
beta-naphthol bismuth
bondur alloy
carbon star
channel sampling
circular cutter holder
clermonts
climatic adaptation
commodities option
Const.Sp.
copper phenolsulfonate
damalic acid
dead wall
development area
dianthin
dicoronene
dissatisfactions
egland
ellipsism
enclose
engelbrecht
epicrates subflavus
erlebacher
evaluation of training
feed mixer
ferric ammonium sulfate
FIFO status indicator
foundation engineering
Frosonic milk
fuel-transfer cask
gas ranges
get a peep at
give away
gyrineum gyrinum
human-spaceflight
hypoaminoacidemia
intermolecular cross-linking
l'li
late starter
make claim
Marcus Gunn syndrome
Miomote-kawa
misinterpreter
Moosburg an der Isar
multivitamins
mycotic
noncontacted
nonlinear wave propagation
occipitobasilar
occur span start date (33)
Ozernaya
packed bed heat transfer
partes nasalis
paspalum notatums
patrone
pelargonium hortorum bailey
phreatic water
phycosoma flavomarginate
plain cement
post-boom
potato dressing machine
programming business data processing
pulse cam
regenerative reheating cycle
report point
Rosebud R.
rotating hook bobbin case latch stop screw
saw toothed
search technique
Sedna
sharp increase
shoyu mash
soft emplacement
subcycle generator
super-beings
target cost
theater of totality
thirty seconds over tokyo
time-system
tracheal heterograft replacement
trackball
trick valve
two fifths
Ugboha
underboil
unforcedness
Valencia, G.de
vena basivertebralis
videojournalists
VITC
wid-uten -yn
X-head machine
zaanse
zammits