For a long time such signals have been considered honest-at least by childless zoologists .

长期以来，人们至少是没有子女的动物学家们，一直认为这些哭闹信号是可信的。

According to marine zoologists , it usually takes lobsters between 35 and 45 seconds to die in boiling water .

根据缅因动物学家的说法，在沸水中，龙虾通常需要经过三十五至四十五秒方能死去。

The zoologists had to reclassify the mollusks after they found new species .

动物学家发现这些新物种之后，必须对软体动物重新分类。

Zoologists study the development of animal life .

动物学家研究动物生活的发展。

Zoologists cheered to learn of new gorilla discovery .

动物学家高兴发现新的大猩猩栖息地。