be of assistance to

be of assistance to对……有帮助：Scientific knowledge is of much assistance to detectives when they crack criminal cases.侦探们破案时，科学知识对他们有很大帮助。

• outstrides
• tropical air
• Webmaster
• pat someone on the back
• a/one helluva…
• outpension
• harnessers
• judicator
• N-methyl-P-aminophenol
• re-election
• on a trip
• chemical burns
• multiplicity of infection
• by （或of） the name of
• electrostatic copier
• hornbill
• fight someone's battles for him
• melituria
• curiously enough
• boondagger
• autocorrelators
• aubade
• maternity / sick / compassionate leave
• roughnesses
• Bifidobacterium
• open call
• Stagirite
• succinyl
• scotochromogen
• M.I. Mech. E.
• Brusa
• meaniing
• double armature
• on the home front
• cholestatic
• bear down on sb/sth
• glassy alloy
• link trainers
• inlayings
• miniating
• cart horses
• malaprops
• nepheline
• fluters
• inborn
• peat plant block
• mescal
• phylogenetical
• architectural photogrammetry
• transuranics
• cardiogenic plate
• repolarize
• triple-spacings
• samshu
• sand grouses
• horn-spread
• prima facie
• be gone with the wind
• instrumentation engineering
• tepidities
• exhaust fan
• distaste
• Myofibromas
• merseysider
• slip-scratch
• cedars
• signal rocket
• Exobasidiales
• despecialization
• U.S.Trade Representative
• Straus, Oscar
• religions
• Subulitacea
• in issue
• efficacy, efficacities
• altricial
• hemostatic sutures
• go further
• tandem garage
• swing round
• hangovers
• flowering fern
• dunbars
• indecentest
• Americanizations
• convergence of meridians
• goldsboroes
• slammings
• turn sth upside down
• gorgios
• triple-spaced
• in embryo
• placket
• negatives
• jackers
• gunged
• anatomical snuffbox
• twin axial cable
• mesotherms
• mantraps