It was concluded that there were arteriovenous anastomosis in yak's heart.牦牛心室肌中存在着动静脉吻合.The treatment dural arteriovenous fistula are still controversial now.对小脑幕动静脉瘘的治疗目前仍存在很多争论.Tentorial dural arteriovenous fistu...
给小牛吃奶的母牛a cow suckling her calves亚历山大总是在午餐时喝掺奶的咖啡.Alexander always has milky coffee at lunchtime.所有不产奶的牛应从奶牛中清除出来.All passengers should be eliminated from dairy herds....