阿斯图里亚斯①地方的农民都深信在每一胎小狼里必定有一只狗，可是那只狗一定被母狼害死，否则它长大以后会吃掉其余的小狼。
The peasants of Asturias are convinced that in every litter of wolves there is one dog, which is killed by the mother because, otherwise, as he grew up, he would devour the other little ones.
在过去的半个世纪里，胎头娩出后的产科医生的第一个动作就是用橡皮吸球吸新生儿的口腔鼻咽，以防那儿的分泌物干扰新生儿的初次呼吸。 最近专家们建议停止这一操作。
During the past half century, the first action an OB took after delivering the fetal head was to perform oronasopharyngeal suctioning, using a bulb or DeLee device.
我不太清楚，但这胎只用了2500英里。
I don't understand it, but the tire only has about 2500 miles on it.
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