美 
											[prə'dʌktɪv]
																
										
							that produces well or much
producing good results;useful
																																	"productive farmland"
																							"his productive years"
																							"a productive collaboration"
																															
																																	"generative power"
																							"generative forces"
																															
																																	"fertile farmland"
																							"a fat land"
																							"a productive vineyard"
																							"rich soil"
																															
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌