最近一次实验中，戴着面具的马兹卢夫一共遇到了53只乌鸦，其中47只都表现得极不友好，远比当年经历或目击诱捕事件的鸟只数量要多。
Wearing the dangerous mask on one recent walk through campus, Dr. Marzluff said, he was scolded by 47 of the 53 crows he encountered, many more than had experienced or witnessed the initial trapping.
为了测试鸟儿们对不同面孔的辨识能力，并且不是受衣服、步态和其它个体特征的影响，马兹卢夫博士和两个学生都戴上了橡胶面具。
To test the birds' recognition of faces separately from that of clothing, gait and other individual human characteristics, Dr. Marzluff and two students wore rubber masks.
一辆运马货车上，一只阿巴鲁萨马戴着苍蝇面具， 前往密西西比杰克逊参加2010年世界阿巴鲁萨马青春才艺锦标赛。
Appaloosa horses wear fly masks in a horse van, following their competing in the 2010 World Championship Appaloosa Youth Show in Jackson, Mississippi.
应用推荐