您要查找的是不是：
- modified reverse Twin block appliance 改良反式Twin-block
- Bernhold M, Bonemark L.A magnetic appliance for treatment of snoring patients with and without obstructive sleep apnea [J]. Am J Orthod Pentfac Orthop, 1998,113:144-155. 中国论文下载源主要代理已被中国知网全文收录的核心期刊，国家级、省级重点期刊的学术论文征稿。全程代理论文发表，提供写作指导，按杂志社要求前期审稿。
- functional orthopedic magnetic appliance 功能性磁铁矫治器
- twin block appliance twin block矫治器
- modified twin block appliance 改良Twin-Block矫治器
- 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 a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- The block becomes magnetic when the current is switched on. 通电时线圈即具磁性。
- 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？
- That old block of flats is a real eyesore! 那座旧公寓真不顺眼！
- 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！
- The office block is under offer. 办公大楼已有人出价购买。
- 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。
