...During winter, humpback whales migrate southward to theshallow borderlands of Bermuda, to the Bahamas, and to theWest Indies to calve and mate... 
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...Farmers do not kill their breedingewes in March, nor butcher cows thatare to calve in a month; it does not pay...
Rowland E. Robinson 「In New England Fields and Woods」
...The calves continue to suckle nearly twelve months,and the cows seldom calve oftener than once in three years...
George Vasey 「Delineations of the Ox Tribe」
...I felt sure therewas to be a waterless track beyond, so I stayed at this agreeable placefor a week, in order to recruit the camels, and more particularly toenable another cow to calve...
Ernest Giles 「Australia Twice Traversed, The Romance of Exploration」
ランダム例文：
stews compete permissible
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