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a.
(生态的,生态学的) of or relating to the science of ecology; characterized by the interdependence of living organisms in an environment


Spelling Word: ecological
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a.
(电磁的) pertaining to or exhibiting magnetism produced by electric charge in motion


Spelling Word: electromagnetic
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v. Syn. apply; hire
(用,使用) engage the services of; put to work; apply


Spelling Word: employ
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n.
(被雇用,雇用,使用) act of employing or using; work in which one is engaged; occupation


Spelling Word: employment
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v. Syn. approve; support
(认可,默许,支持) acknowledge by signing a bill, draft, or other instrument; approve; support


Spelling Word: endorse
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a. Syn. interchangeable; comparable; tantamount
(相等的,等值的) interchangeable; comparable; equal, as in value, force, or meaning


Spelling Word: equivalent
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v. Syn. develop; grow
(进化,发展) develop; grow


Spelling Word: evolve
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n.
(解除,免除) permission not to do something


Spelling Word: exemption
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v.
(不正当的利用,开发) make use of, sometimes unjustly


Spelling Word: exploit
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n.
(开发,开采) unfair use of someone’s work giving little in return


Spelling Word: exploitation