1. The beads are DNA segments wrapped around the histone. 这些珠子是包裹在组蛋白上的 DNA 片段。
2. Here you can find bracelets made from special wooden beads, and no two pieces are the same! 你可以在这里找到由特殊木珠制成的手镯，每一个都独一无二！
3. In many other cultures, people put noise-making objects--from taps to castanets to beads--on their bodies or clothes while they dance. 在许多其他的文化里，人们在跳舞时都会在身上或衣服上佩戴诸如金属片、响板、珠子等等能够发出声音的物件。
4. Once synthesized, the histones move into the cell nucleus, where a section of DNA wraps around them to form a structure that resembles beads, or knots, on a string. 一旦合成，组蛋白就会进入细胞核，细胞核内的 DNA 片段会将组蛋白包裹起来，形成一种类似串珠或绳结的结构。
5. There were beads of sweat on his forehead. 他的脑门上挂满汗珠。
