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- "Any circumstance that affects the amount of available insulin-like growth factor so as to modify the sensitivity of the ovary to follicle-stimulating hormone appears to govern the rate of spontaneous twinning," Steinman said in a statement. 斯汀曼在一份声明中提到："任何能影响类胰岛素生长因子分泌量的因素都会改变卵巢对促卵泡激素的敏感度，从而影响自然孪生的几率。"
- The mother with twin babies are always on the run. 这个有双胞胎婴儿的妈妈总是忙忙碌碌的。
- He is spontaneous to offer help. 他主动提供帮助。
- The twin brothers are far apart in character. 那两个孪生兄弟的性格相差很远。
- You must be muddling me up with my twin brother. 你一定是把我看成我的孪生兄弟了。
- Nothing can set the twin brothers at variance. 没有什么事能使这对双胞胎兄弟吵起来。
- How much do you know about the works of Mark Twin. 马克。吐温写的作品你知道多少？
- Natural, spontaneous verbal utterance. 自然的、朴素的语言发声
- She shows a spontaneous gaiety of manner. 她露出天真愉快的神态。
- How much do you know about the works of Mark Twin? 马克。吐温写的作品你知道多少？
- You're always mixing me up with my twin sister! 你老是把我和我的孪生妹妹弄混了！
- My husband was handsome, spontaneous and charming in his youth. 我丈夫年轻时英俊、诚挚、富有魅力。
- I took a shot of the twin sisters. 我给那对孪生姊妹拍了一张照片。
- He is the younger twin of the two. 他是这对双胞胎中的弟弟。
- Can you tell the twin sisters apart? 你分得清这两个孪生姐妹吗?
- Oxford's twin town in France is Leon. 牛津在法国的友好城市是里昂。
- My twin brother is my shadow every minute. 我的孪生兄弟与我形影不离。
- Spontaneous fellowship and sympathy among a number of people. 本能的友情一群人自然产生的友谊和同情
- I always confounded him with his twin brother. 我总分不清他和他的孪生兄弟。
- spontaneous twinning [医] 自发双生
