have a good/thorough grasp of

have a good/thorough grasp of深刻理解;彻底理解：He is an expert in mechanical technology and he has a good grasp of gear transmission.他是个机械技术专家，对齿轮传动彻底理解。

• marlite
• harp on about sth BrE
• raise（或lower）one's sights
• Holostei
• multiple myeloma
• sphenogram
• the A-list
• disreputable
• nabobesses
• soy sauces
• aeoliss
• jadish
• zonda
• staysail
• silicide resistor
• be down for
• burnest
• micrometeoroids
• rocks ahead
• Miches
• clepe
• Humboldt, Friedrich Heinrich Alexander von
• recenter
• meet-and-greet
• hyalophanes
• zoomers
• low-lived
• gossipers
• Qadhaafi, Muhamed
• slaughter of the innocents
• trump something up
• Catalonia
• solitudinarian
• tantalization
• take sth with a pinch / grain of salt
• pointsman
• have bats in one's belfry
• Cooper, James Fenimore
• job press
• bee martin
• teletels
• Nakasone, Yasuhiro
• parking meters
• run a(或the)rig
• bubble raft
• diotic
• grub hook
• simperer
• designer baby
• get on sb's tits
• new things
• doges
• monostrophic
• desipramines
• assiduous in
• herstory
• Ashanti
• exopeptidase
• semianthracite
• put into effect
• commander in chief
• kid sisters
• pry into
• geogony
• nebulosus
• n.c.
• amaryllis families
• elf owls
• graders
• aftermaths
• old foundation
• metalogue
• St.Quentin
• Oder-Neisse Line
• saddle vein
• splenials
• Babette
• chlorpropamides
• short-arc
• snapper-ups
• water shielding
• Audubon, John James
• vertical coordinates
• IPSP
• universal language
• thin-skinnedly
• rhis
• be hard put (to it)
• microvilli
• conelrad
• perspirable
• sun strobe
• causey
• sawn-offs
• establisher
• transmutest
• admonitioner
• self-locking nut
• zero curtain
• raised