past several decades翻译

past several decades的基本解释

读音: 美: 英:

过去几十年：指过去的二三十年间的时间段。

例句

Indoor pollution, which includes sources like home heating and cooking, has remained constant over the past several decades despite advances in the area.在过去几十年中，来源于诸如家庭供暖和烹饪等的室内污染持续存在，尽管在这方面已经有所改进。
Although many foods are naturally rich in salicylates, for the past several decades, food-processing companies have also been adding salicylates to foods as preservatives.尽管许多食品天然富含水杨酸盐，但在过去几十年里，食品加工公司也一直在食品中添加水杨酸盐作为防腐剂。
Over the past several decades, the U.S., Canada, and Europe have received a great deal of media and even research attention over unusual phenomena and unsolved mysteries.在过去的几十年里，美国、加拿大和欧洲收到大量关于不寻常现象和未解之谜的媒体关注，甚至还有研究者的关注。

短语

in the past several decades 在过去的几十年
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