此过程称为“边界扩展”，而且一直进行着。
This process is called "boundary extension," and it seems to be going on all the time.
自那时以来，有关克隆人的激烈争论一直进行着。
A fierce debate on human cloning has ever since been going on.
整个夏季，鲁本除了做家务——给菜园锄草、浇水以及砍柴、打水外，一直进行着他的秘密活动。
All summer long, despite chores at home weeding and watering the garden, cutting wood and fetching water-reuben kept to his secret task.
人类有史以来一直进行着健康管理的理论与实践探索。健康管理可以分为广义健康管理和狭义健康管理。
The history of mankind has been a theory and practice of healthy management. Health management can be divided into Broad and narrow.
过去三十年来，国内外一直进行着这些沉重的爬行动物的交易。把这些蛇买回家的宠物拥有者，在它们长大以后，往往没有地方给它们住。
Over the past 30years, these weighty reptiles have been traded domestically andinternationally, and pet owners often take these snakes into homes thatcannot accommodate them as they grow.
创纪录的干旱在2005和2010年袭击了亚马逊热带雨林，由于气候类型随着全球变暖正变得愈加干旱，研究者们对这种极端的干旱一直进行着严密观察。
Record droughts hit the Amazon's rain forests in 2005 and 2010. With climate models projecting more drying with global warming, researchers are keeping close watch for such extreme droughts.
创纪录的干旱在2005和2010年袭击了亚马逊热带雨林，由于气候类型随着全球变暖正变得愈加干旱，研究者们对这种极端的干旱一直进行着严密观察。
Record droughts hit the Amazon's rain forests in 2005 and 2010. With climate models projecting more drying with global warming, researchers are keeping close watch for such extreme droughts.
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