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1. Oxford Dictionary

   core

   • IPA[kɔː]

   英式

   • n.
     the tough central part of various fruits, containing the seeds；the part of something that is central to its existence or character
   • adj.
     central to the existence or character of someone or something；denoting or relating to a figure for inflation that excludes certain items, chiefly food and energy, that are subject to sudden and temporary price fluctuations
   • v.
     remove the tough central part and seeds from (a fruit)

   • noun: core, plural noun: cores

2. • 釋義
   • 片語

   n.

   名詞

   • 1. the tough central part of various fruits, containing the seeds quarter the pears, remove the cores then slice again into wedges an apple core
   • 2. the part of something that is central to its existence or character the plan has the interests of children at its core 同義詞 heart, nucleus, nub, hub, kernel, ... 更多marrow, meat, essence, quintessence, crux, gist, pith, substance, sum and substance, body, basis, bedrock, cornerstone, linchpin, mainspring, foundation, root, base, underpinning, fundamentals, essentials, basic principles, main ingredients, heart of the matter, informalnitty-gritty, brass tacks, nuts and bolts, ABC, basics
   • ▪ an important or unchanging group of people forming the central part of a larger body a flexible core of permanent employees
   • 3. the dense central region of a planet, especially the nickel–iron inner part of the earth. 同義詞 centre, interior, middle, nucleus, bosom, ... 更多recesses, bowels, depths, informalinnards, literarymidst
   • ▪ the central part of a nuclear reactor, which contains the fissile material.
   • ▪ a tiny ring of magnetic material used in a computer memory to store one bit of data, now superseded by semiconductor memories.
   • ▪ the inner strand of an electric cable or rope.
   • ▪ the muscles of the torso, especially the lower back and abdominal area, which assist in the maintenance of good posture, balance, etc. nothing will strengthen your core like balancing a heavy barbell on your back or lifting one off the floor the core muscles of the abdomen
   • ▪ a piece of soft iron forming the centre of an electromagnet or an induction coil.
   • ▪ an internal mould filling a space to be left hollow in a casting bronzes that have been cast using a clay core
   • ▪ a cylindrical sample of rock, ice, or other material obtained by boring with a hollow drill.
   • ▪ a piece of flint from which flakes or blades have been removed.

   adj.

   形容詞

   • 1. central to the existence or character of someone or something managers can concentrate on their core activities painting is core to his being and has brought purpose, meaning, and discipline to his life
   • 2. denoting or relating to a figure for inflation that excludes certain items, chiefly food and energy, that are subject to sudden and temporary price fluctuations core inflation was up 2.3 percent over the 12 month period

   v.

   動詞

   • 1. remove the tough central part and seeds from (a fruit) peel and core the pears

   片語

   • to the core