petr-

petr-[petr-]

• comb.form[用于元音字母前]= petro-：

• belly up to
• family farm
• emerald nickel
• insist on doing sth
• escarpments
• money crops
• protector tube
• bored stiff
• mittimuses
• Norseness
• Selection Biases
• circadian rhythms
• feel a vacuum in the lower regions
• negotiated prices
• gentlemanliness
• bull of the woods
• conditionalism
• natality
• acid rocks
• community centers
• literacies
• Tobruk
• Juliana
• lithotrity
• call sb to order
• blacktop paver
• argon ionization detector
• cylindrical coordinates
• in full view
• mukluk
• Hongwu
• function key
• Lindy-hopper
• kieler
• click into place
• grand-pere
• give over to
• style counsellor
• lionfishes
• cfh
• lock rail
• trikeria
• in the year of our Lord/redemption
• duponts
• oxford united
• c.r
• psychography
• a fast / good / long etc ball
• geomorphologically
• dingie
• cough something up（或 cough up）
• excretory system
• precincts
• conscience clauses
• information theory!
• boom shot
• bewrote
• impurities
• pile up
• reserve capacity
• nucleotidases
• thwartwise
• dishonor,
• inverted images
• amobarbital
• hub-and-spokes
• braziery
• unlimber
• SLD
• electrooptic
• ground pine
• molozonides
• bosom pal
• alkalizing
• mind one's own knitting
• take no prisoners
• torpedos
• gelsemium
• bit of blood
• dark conduction
• carnify
• Doradus
• sacramenter
• craiovas
• recovered-memory syndrome
• clink-clank
• inleaks
• avocations
• rewrites
• pentahedra
• phials
• takeoff
• grizzly bear
• amoebiform
• bombard ... with
• ecrus
• vellum
• New Australians
• corp
• hacksaw