将“rams"翻译成中文

One ram is needed for every 25 to 50 ewes.

平均来说,每25到50只母羊就需要一只公羊来配种。

Shepherds also inspect, buy, and prepare rams for the ewes.

牧羊人还会挑选和购买合适的公绵羊,好为母羊配种。