然而今天，田鼠和巢鼠虽然很客气，却似乎心事很重。
Today, however, though they were civil enough, the field-mice and harvest-mice seemed preoccupied.
过去十年间，人们为拯救英国哺乳动物使其免于灭绝的努力并未能遏制住红松鼠，刺猬，巢鼠和苏格兰野猫数量的下降。
Efforts over the past decade to save British mammals from extinction have failed to halt population declines in red squirrels, hedgehogs, harvest mice and Scottish wildcats.
过去十年间，人们为拯救英国哺乳动物使其免于灭绝的努力并未能遏制住红松鼠，刺猬，巢鼠和苏格兰野猫数量的下降。
Efforts over the past decade to save British mammals from extinction have failed to halt population declines in red squirrels, hedgehogs, harvest mice and Scottish wildcats.
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