单词 | sentinel animal |
释义 | sentinel animalnounan animal that is placed in a given environment and then monitored to find out if an infectious disease or other harmful agent is present in that environment Words nearby sentinel animalsentimentalist, sentimentality, sentimentalize, sentimental value, sentinel, sentinel animal, sentinel gland, sentinel pile, sentinel tag, sentry, sentry box Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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