B1 a young cow, or the young of various other large mammals such as elephants and whales小牛,牛犊;(象、鲸等大型哺乳动物的)幼崽,幼兽
If a cow is in calf, it is pregnant.(母牛)怀孕的,怀崽的
C2 the thick curved part at the back of the human leg between the knee and the foot腓;腿肚子
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