Level 4 - 1 - Spelling Practices

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(1) a. [邻近的,毗邻的] adjoining; neighboring; close to; lying near

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(2) v. [空气,空中] be broadcast on television or radio

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(3) v. [断言] declare or state with confidence; put oneself forward boldly

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(4) n. [天文学] branch of physics that studies celestial bodies and the universe as a whole

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(5) n. [原子] a tiny piece of anything; the smallest component of an element having the chemical properties of the element

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(6) n. [催化剂] an agent which brings about chemical change while it remains unaffected and unchanged

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(7) n. [室,房间] cell; compartment; room

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(8) n. [炭,木炭] a stick of black carbon material used for drawing; a very dark gray color

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(9) n. [厨师] a professional cook

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(10) v. [障碍,阻塞] congest; become blocked or filled so that movement or activity is difficult