单词yearling
adj.: 一岁的；经过了一年的
n.: 一至两岁的动物（尤指马）；一岁（或两岁）幼崽
网络: 一岁家畜；一岁兽；满周岁
一至两岁的动物（尤指马）；一岁（或两岁）幼崽:
an animal, especially a horse, between one and two years old
一岁的;经过了一年的
一岁仔,一岁的孩子[动物];一年生植物[树苗];【赛马】一岁的马
〔美俚〕(西点军校的)二年级生
〔林〕一年生苗
一龄鱼种
一岁至两岁的马
一岁崽
复数：yearlings
The flesh of the mature ram or Ewe at least one year old is called mutton; the meat of sheep 12-20 months old may be called yearling mutton.
一年以上的成熟公羊或母羊的肉称羊肉；十二~二十个月大的羊的肉可称一龄羊肉。
You"d expect to see about one in three with newborn yearling calves, he says.
他说你照理应该会看到三分之一都带着刚出生不久的幼海象。
One male goat shall be sacrificed as a sin offering, and two yearling lambs as a peace offering.
还应献一只公山羊作赎罪祭，两只一岁的公羔羊作和平祭。
The Yearling was also turned into a movie in 1946.
在1946年被拍成电影。
Caption : Meadow, a Black Angus yearling calf, tries out her new prosthetic hind legs at Colorado State University"s James L.
描述：科罗拉多州立大学詹姆斯·L·沃斯兽医教学医院，一岁的安格斯牛麦兜正在试用她的新假肢后腿。
The weaned age had significant effects on the birth weight, the weaning weight, the daily weight gain and the yearling weight.
断乳日龄对出生重、周岁重、断乳重、日增重有显著影响。
Yearling first-time mothers had sons 57% of the time, but by the time those mothers were seven, this figure had changed to 67%.
一岁的母羚羊第一次分娩的所有子代中，雄性比例为57%，但是当母羚羊7岁时，这一比例上升到67%。
The first defecation we saw was in a yearling, a little 50-footer.
我们第一次看到蓝鲸排便，是一头一岁左右，约15米长的小鲸干的。
The Yearling is a 1938 novel written by Marjorie Rawlings. It won the Pulitzer Prize for the Novel in 1939.
小说《一岁的小鹿》由马乔里-罗琳斯于1938年著作，在1939年获得“普利策小说奖”。
Question 9: When does a foal become a yearling?
问题9：成为周岁驹的年龄？