为了进行它们的测试，戴维斯博士和韦伯尔根博士将几种鸟类标本放到了莺的芦苇巢附近，用来观察这些巢主人的反应。
To carry out their test, Dr Davies and Dr Welbergen put stuffed birds near reed-warbler nests, to observe the nestholders' reactions.
为了进行它们的测试，戴维斯博士和韦伯尔根博士将几种鸟类标本放到了莺的芦苇巢附近，用来观察这些巢主人的反应。
To carry out their test, Dr Davies and Dr Welbergen put stuffed birds near reed-warbler nests, to observe the nestholders' reactions.
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