4000 Duolingo (A) - Spelling Practices

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(1) n. 手风琴 a box-shaped musical instrument consisting of a folded central part with a keyboard

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(2) n. 积聚 increase by natural growth or addition; concentration

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

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(4) a. 敏捷的,活泼轻快的 moving quickly and lightly; mentally quick

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(5) n. 目标,计划 point or direct towards an object or spot with the intent of hitting it

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(6) a. 外国的,外国人的,来自其他星球的 dissimilar, inconsistent, or opposed in nature; very different place, society, or person

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(7) v. 暗指 refer casually or indirectly, or by suggestion

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(8) n. 联盟,同盟者 confederate; partner; collaborator

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(9) n. 高度 elevation especially above sea level; height

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(10) n. 抗生素,杀菌剂 any substance that can destroy or inhibit the growth of bacteria and similar microorganisms