Group (L M N) - Spelling Practices

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(1) v. Syn. delay; drag(落后) delay; drag; the act of slowing down or falling behind 
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(2) n. (喉) organ of the neck of mammals involved in breath control, protection of the trachea and sound production
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(3) a. (漏的) permitting leaks or leakage; permitting liquids to penetrate
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(4) n. (岩石圈) solid part of the earth consisting of the crust
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(5) n. Syn. movement; motion(运动,移动) self-propelled movement; power or ability to move
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(6) a. Syn. captivating; attractive(磁的,有磁性的) having the properties of attracting iron or steel; captivating; attractive; being to draw or pull
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(7) n. (哺乳动物) warm-blooded vertebrate having skin covered with hair
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(8) n. Syn. parade; advance(前进,行进) walking with regular steps; a procession of people walking together; steady advance
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(9) n. (火柴杆) short thin stick of wood used in making matches
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(10) n. Syn. device; machine(机械,机理,运作机制) device; machine; the technical aspects of doing something