spend a lot of care on

spend a lot of care on花费很多心血：This botanist has spent a lot of care on his study of cross pollination between plants of different species.这位植物学家已经在他的不同种属植物间的异花授粉研究工作上花费了很多心血。

• death duty
• keleps
• MacLeish, Archibald
• furrowers
• come into the market
• sodium cobaltinitrite
• -asis
• in contestation
• hex.
• welepolitik
• titillates
• strawberry blondes
• QKtP
• Phaeodidymae
• encompass with
• paragogical
• estimate for
• tick all the/sb's boxes
• defamatory
• be the the very picture of despair
• in witness of
• pros-
• change tape
• summiteers
• insulinise
• secretas
• buy ... off
• uglily
• transitive verbs
• gibberellin
• the brass ring
• Longhurst-Hardy Plankton sampler
• eloquence
• door frames
• Morgan, Thomas Hunt
• theologize
• vitriolic
• petunias
• terraced houses
• Eurychilinidae
• plateau plain
• transmission gate
• unconstitutionalities
• raw sludge
• bojites
• chronoscope
• linseed
• gulliver
• romanizes
• chromosome
• knew
• dicrotic notch
• coronograph
• clannish
• Corixidae
• penoche
• infatuation
• fruitcake
• defeatured
• square rooter
• thiomalic acid
• cingula
• compulsive personality
• stiff market
• ask for permission
• up to the present
• serositises
• sisters
• tommycod
• airways forecasting
• immunocompetents
• disproportionated
• cable tramway
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• blinked
• Petain, Henri Philippe
• I give you my word for it.
• soddings
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• bimana
• panty stockings
• lapse of memory
• anti-infective
• air-standard diesel cycle
• socks
• Danilova, Alexandra
• at a single cast
• side whiskers
• capacitance probe
• ADCCP
• hip-hop
• E-boats
• jowling
• multiple-choice
• castaway