be essential to

be essential to (某事物)所必需的;最重要的：Good health is essential to happiness，there will be nothing if there is no good health.身体健康是幸福所必需的，没有良好的健康就什么也谈不上。

• commercial break
• greater flood
• polyester resin
• coralloid
• blow on
• dudeens
• dazzled
• circulin
• sworn foe
• wowsers
• London broils
• lpw
• rewritings
• -plegy
• Ewell, Richard Stoddert
• carpenter's square
• cling to sth
• molybdenum trioxide
• string sth up
• clean someone out
• deignest
• Intal
• have one's head up one's ass
• tight-fisted
• redargued
• squiggling
• demeritoriously
• ampule
• runting
• Rhabditia
• ciphertext
• ass-kick
• tactical
• new lease [美国英语]on life
• pick ups
• wear a long face
• naked as my mother bore me
• Debye, Peter Joseph William
• hypochondriac region
• African yellowwood
• be back at square one
• sweep seine
• reluctates
• monass
• cryogenic film
• calibrator
• cyclothymics
• daily
• all harbour-light
• subsidizes
• judoka或-kas
• hattricks
• light-heeled
• full-sized
• Andrews, Frank Maxwell
• moppers
• energies
• pronotums
• roll-fed
• the writ runs
• mend one's market
• Echinidae
• scintillators
• export reject
• alexandrias
• lati-
• demonetarizing
• octal number system
• eating
• fall apart
• Old Left
• gargety
• palimpsest
• Thermoplasma
• transmuta bly
• women
• on the part of （或on my, their等part）
• drawbored
• flat colour
• dicoumarol
• donkey's years
• belligerence
• advance in life
• primo
• archetypes
• hurcheons
• desperados
• wirehaired pointing griffon
• racerunner
• electrochemic
• send one's love to someone
• nonlinear molecule
• PBI
• bring sb/sth up
• born on the wrong side of the blanket
• pause and ponder
• bufotoxin
• scour channel
• eye-view
• house