正面朝上
s of objects having a top and bottom

学英语单词
2-Methylphenol
active form
active surface agent
Airtal
aletrin
alpertine
alternating current transmission
aminta
animal dentistry
anterior paramedian groove of spinal cord
anthostrobilus
Artemisia vulgaris L.
australopithecus
awg
bandelet
barps
Biazdonis
buffalo-horn
bullheaded
cambiform cell
cannulize
cheap money policy
coast banksias
Cochlearia hui
compression-testing machine
congenital dilatation of bladder
coronal electrophotometer
correctnesses
cross sell
cut sb down
derived secondary word
desert vegetation
dorsal flexion
Ebbinghaus test
ethnic-Chinese
euterpes
false trade description
fictitious paper
final purchaser
front-to-back registration
fullness coefficient
gasoline distillation
gemutlich
geothermal reservoir
give a straw
group allowance
gymnocyst
headbang
hydraulic-coupling
incrementation
intergalactic cloud
Juncus perparvus
lacrimating gas poisoning
Ligamentum cuneocuboideum dorsale
loogan
lopgenol
midget typhoon
minutary
monomorphic flower
movable festival
neo-iopax
nonoperculate
Nsenga
outness
Oxygraphis
pather
pathwise connected space
Pemberton
phosphide eutectic
picolitre
point of steepest descent
poly-carbonate
presentation service access point
Problem is thirty
pyopneumopericardium
quasi-strongly connected graph
quimoderma
Quāidābād
rotating-magnet magneto
scooters
sea-mist
sediment transport rate
sekir
shaped charge
slat of Venetian blind
spectrograph camera
sphincter of segmental arteries
surface level
tapered royalty
thereinbefore
trichotomous
uncases
unfailed
uniprocessor architecture
unlike surds
user file
voiceboxes
weak reference
whirl away
windscreen wiper
wingtip
zetterlund