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N-COUNT If someone has a pigtail or pigtails, their hair is braided into two lengths. 辫子
...a little girl with pigtails.
...扎着辫子的一个小女孩。
The pink pig has a curly tail.
这只粉红猪有一条卷卷的尾巴。
小猪让她拉自己的尾巴。
METHODS the writhing model of mice induced by acetic acid, hot plate test (sc, icv), tail flick test and the model of electrical stimulation induced contraction of guinea pig ileum were used.
方法通过醋酸扭体模型、热板、甩尾、纳洛酮拮抗试验及豚鼠回肠离体标本研究样品的镇痛活性及机制。
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