美 
											[ˌʌn'flæɡɪŋ]
																
										
							
																																	"an indefatigable advocate of equal rights"
																							"a tireless worker"
																							"unflagging pursuit of excellence"
																															
																																	"unfailing loyalty"
																							"unfailing good spirits"
																							"unflagging courtesy"
																															
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海词词典,十七年品牌