19. And groups of chimpanzees seemed to cope with their reflection and they spent time near the mirror, while some appear touse it to preen themselves.
一群黑猩猩似乎对自己的影像很感兴趣,在镜子附近逗留了一段时间,有几只似乎还用镜子来梳妆。
youdao
20. Green textiles have become more and more popular, while using environment-friendly dyes is one of the important preconditions to guarantee them "preen".
绿色纺织品越来越引起人们的重视,而环保染料是保证绿色纺织品的重要条件之一。
youdao
21. This is a good moment to posit the idea that, in a man-free world, makeup and beauty-product sales would decline, because we would have no one to preen for.
22. Not only is the designer behind her pencil skirt suit, Preen, one to watch for A/W 2011, Michelle showed real fashion nous by picking a British label for her arrival
23. Not only is the designer behind her pencil skirt suit, Preen, one to watch for A/W 2011, Michelle showed real fashion nous by picking a British label for her arrival