Over the past decade 是指过去十几年,还是过去几十年?

Over the past decade 是指过去十几年,还是过去几十年? during the past year是过去还是去年? 英语翻译Over the past decade the environmental movement has expl his health _____ a lot over the past decade. 英语翻译Over the past decade,nanogels/microgels have been receiv 英语翻译Over the past decade,many projects have experienced larg in the past few years是用于过去完成时态还是现在完成时态? 这座古老建筑见证了这座城市过去几十年的巨大变化.英文翻译(运用see,decade) 在过去的五年里 in the past five years还是in past five years 英语翻译Over the past decade,this has come in the form of the st Over the past decade,the average credit-card debt of America 英语翻译：在过去的几年中,他们做了很多成功的实验（in the past```years)