Item
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Definition
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Usage
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Addict (n)
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a person who is extremely interested in sth and spends a lot of time on it
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be/get/become ~ed to sth; addicted (adj), addictive (n), addiction (n):
computer/television ~ion
syn. devotee, enthusiast, fan, geek
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Alert (v)
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warn sb that there may be danger, trouble, etc that they should be ready to act
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~ sb to sth; alert (n): to be/put on ~; red/security ~(n); alertness;
syn. alarm, notify
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Alternative (adj)
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different from what is usual or accepted
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~ approach/device/energy/
route; provide an ~ for/to sb/sth; have little/no ~ (but to); leave sb with no ~ (but to); alternatively (adv);
syn. back-up, substitute
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Appliance (n)
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a device or instrument designed to perform a specific function, especially an electrical device
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domestic/electric/household/
surgical ~; syn. device, gadget, gizmo
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Artificial (adj)
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created by people, not existing or occurring naturally
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~ intelligence/respiration/ light; artificiality (n); artificially (adv);
syn. synthetic, fake, man-made, simulated;
ant. natural, genuine
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Assist (v)
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help sb do sth
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~ sb at/in/with sth; assistant (n), assistance (n); assistive(adj): ~ technology
syn. aid, give sb a hand
ant. hinder, prevent
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Biodegrade (v)
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be decomposed by bacteria or other living organisms
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~ naturally; biodegradable (adj): ~able package;
biodegradability (n), biodegradation (n)
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Click (v)
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press a button on a computer mouse to make the computer do something
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at the ~ of a mouse button;
to be a ~ away; single/double-/right ~;
syn. clack, clap
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Disable (v)
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limit the movements, senses, or activities of sb
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~ an enemy; disabled (adj): ~d people; disability (n);
syn. harm, cripple
ant. aid, assist, enable
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Dispose of (v)
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get rid of sb/sth that one does not want or cannot keep
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disposed (adj), disposable (adj), disposal (n): at sb’s ~; upon ~; syn. discard, get rid of, scrap; ant. keep, retain
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Diverse (adj)
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of different kind, varied
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~ range; diversify (v); diversity (n); diversely (adv); syn. different, divergent; ant. alike, identical, similar
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Edit (v)
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to change online text on a computer or word processor
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~ mode; ~ sth out; photo ~ing program; editable (adj); editor (n), editorial (n), edition (n);
syn. rewrite, refine
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Empower (v)
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give somebody the power or authority to act
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~ sb to do sth; empowerment (n); empowered (adj);
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