in ones and twos

in ones and twos BrEalone or in pairs, rather than in large numbers or groups三三两两地，零零落落地:•Guests arrived in ones and twos.客人三三两两地到来了。

• kinesis
• foplings
• ctenoid
• paling
• telephone publishing
• sangos
• enthalpy of state change
• bitsy
• bedgown
• flash one's a look at
• let someone know (或 tell someone) one's mind
• take amiss
• Eccrinaceae
• Scotty
• cross assembler
• cut someone down to size
• dowses
• backflush
• concatemers
• surface acoustic waves
• bhaji
• Tarrasa
• parlor cars
• anticoagulat therapy
• dollhood
• quad
• Mardi Gras
• stagiras
• suffice (it) to say (that)
• algidness
• oversophisticated
• lagging current
• slum it / be slumming
• window-washer
• dwarfishness
• prams
• open into
• N.Y.D.
• contactless
• Cholangiomas
• deallocations
• organic geochemistry
• doomsters
• constant
• potamology
• swift of foot
• domiciliate
• Rhopalodinidae
• Great St. Bernard (Pass)
• spat
• glads
• Schmidt net
• betake oneself to one's heels
• copest
• camerlengo
• R and B, R & B, r & b
• Malus' law of rays
• kangaroo court
• all things considered
• Jesuit
• differentiation factor
• down syndromes
• capelet
• employed about
• nookyiest
• puppyism
• reception centre
• hermas
• cheverel
• cream-coloureds
• sennacheribs
• have your heart / sights set on sth
• make down
• band saw
• pugmarks
• eat high on the hog
• year after year
• by sb’s advice
• annams
• vacuolation
• twistier
• imbrues
• tell me about it
• anaspids
• tachygraphic
• photoconductivity
• complete operation
• coseys
• gelatiniform
• third class
• hot lick
• play one person off against another (或 the other)
• yolkless
• converser
• burn sth↔away
• ruckles
• acetogen
• general education
• thrombase
• moschate