为了测试他的这感觉，帕克的团队于1997年到2002年再夏威夷海域附近观察了42个竞争性的鲸鱼群，这些一条雌鲸被多条雄鲸所包围。
To test this hunch, Pack's team observed 42 competitive groups--those with one female surrounded by varying numbers of males--in the waters around Hawaii from 1997 to 2002.
但克努特和乔万之间没有发生浪漫的事，雌熊是从慕尼黑动物园借来的。
But there is no romance between Knut and Giovanna who is on loan from a Munich zoo.
克罗·米芬，为人工合成的非甾体制剂，化学结构与烯雌酚相似。
Clomiphene citrate for the synthetic system of non-steroidal agents, chemical structure and allyl phenol similar to estrogen.
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