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																										- (喻)药某种令人不快的但却必需的或不可避免的东西,例如矫正性惩罚
Something, such as corrective discipline or punishment, that is unpleasant but necessary or unavoidable. 
																										- 牙箍安装在牙齿上的纠正不规则排列的由箍带和钢丝做的牙齿矫正器
A dental appliance, constructed of bands and wires that is fixed to the teeth to correct irregular alignment. 
																
							 
						 
					 
				 
			
			 
		
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