求翻译：the classes of animals for which play is important.

求翻译：the classes of animals for which play is important. 求翻译Which of the following is NOT the reason for most British Which is the most important r_____ for a volunteer? 英语句子改错The most important thing is,animals play an very impor Which of the following is TRUE? 求翻译 The most important reason for animals _____ is the part that Which is more important:human beings or animals? which letter is a kind of animals? .what is the most important resource for the development of Which factor is more important for career Panda is one of the m____ important animals in China.填什么 I am so sorry for the thing which is out of my through 该怎么翻译