Group 1 - Spelling Practices

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(1) (抽象的) theoretical; not concrete; not applied or practical; difficult to understand
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(2) (深渊,深坑,无底洞) enormous chasm; vast bottomless pit; any deep, immeasurable space; hell
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(3) (上山的陡坡,斜坡) upward slope, as of hill
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(4) (酸的) having properties of vinegar; sour
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(5) (声学的) science of sound; quality that makes a room easy or hard to hear in
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(6) (尖锐) sharpness; acuteness of vision or perception; keenness
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(7) (瘾,依赖) compulsive physiological and psychological need for a substance; being abnormally dependent on something
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(8) (邻近的,毗邻的) adjoining; neighboring; close to; lying near
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(9) (警告,训斥) warn; counsel someone against something to be avoided
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(10) (联合,加入) partnership; alliance; association in the same family or society