1. The molecules in regular liquids are held together by relatively weak bonds. 常规液体中的分子被相对较弱的结合物聚合在一起。
2. The cards were held together by a rubber band. 那些卡片是用橡皮筋捆在一起的。
3. Now in the window itself the pieces of glass would be held together by strips of lead. 现在在窗户里，玻璃碎片会被铅条固定在一起。
4. Chondrules and inclusions in Allende are held together by the chondrite matrix, a mixture of fine-grained, mostly silicate minerals that also includes grains of iron metal and iron sulfide. 阿伦德陨星里的陨石球粒和内含物是由球粒陨石基质结合到一起的；这是一种细粒混合物，主要包括铁颗粒和硫化铁的硅酸盐矿物。
5. Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together. 着丝点是染色体的主缢痕，在这个地方姐妹染色单体连在一起。
