One would be characteristic of semi-nomadic pastoralists: the sacrifice of the first lamb born in the spring to the deity in order to procure favor and continued blessing on the flocks for the spring.

一种是具有半游牧人的特色：,他们把春天里的第一只羊羔献给神,为了获得神的偏爱,来年春天继续赐福。

耶鲁公开课 - 旧约导论课程节选

So now the blood of the sacrificial lamb is said to have protected the Hebrews from the angel of death, and the bread now is said to have been eaten, consumed in unleavened form, because the Hebrews left Egypt in such a hurry.

这羊羔的血可以保护,犹太人逃脱死亡天使的杀戮,要吃没有发酵的面包，因为犹太人匆匆忙忙的离开了埃及。

耶鲁公开课 - 旧约导论课程节选

Each family is told to sacrifice a lamb.

每家都要准备一头小羊羔。

耶鲁公开课 - 旧约导论课程节选