Group (7) - Spelling Practices

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(1) (密封的,气密的) sealed by fusion so as to be airtight
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(2) (逗留,盘旋,等待) hang about; wait nearby; remain floating
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(3) (鱼类学) branch of zoology that deals with study of fishes
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(4) (无知,不了解) lack of knowledge or education
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(5) (暗示,表示) express or indicate indirectly; signify
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(6) (囚禁) imprison; put into jail; shut up or enclose
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(7) (疲倦) tireless; showing sustained enthusiastic action
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(8) (不可言喻的,无法用语言表达的,不能说的,避讳的) unutterable; cannot be expressed in speech
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(9) (新奇的,创新的) marked by or given to innovations; introducing a change
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(10) (插入) input; enter; put or set into, between, or among