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- carbonized human hair 血余炭
- Why is human hair used for embroidery? 你说为什么要用头发做刺绣的原料呢?
- Human hair can also be used for embroidery? 人的头髮也能绣东西?
- A human hair is stronger than copper wire of the same thickness. 一根头发比同等粗细的铜丝还要结实。
- Silver may be drawn out into a wire finer than a human hair. 银可以拉成比头发还细的丝。
- These days human hair is widely available and affordable. 现在,人类真发却很容易找到,也不算很贵。
- An atom is about one-millionth the thickness of a human hair! 它只有人的头发直径的百万分之一！
- A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分也可找到的微量金属和矿物质。
- We are interested to buy La Charme Eyelashes, 100% Human Hair in flesh colored. 我们正在寻找购买基金会刷我们要做生意与可靠的供应商。
- A combined strength of a headful of human hair is capable of supporting a weight equivalent to that of 99 people. 满头头发合在一起的力量可经得起99个人的重量。
- Once frozen and put through the microtome, every block yields roughly 160 slices that are thinner than a human hair. 每块脑组织经冷冻后，可在切片机上切出约160片比人发还要薄的切片来。
- That's about four times wider than an atom and more than 1,000 times narrower than a human hair. 一纳米大约有一个原子宽度的四倍，比人的一根头发宽度的千分之一还要细。
- The market rate for locally-grown human hair is around $11 per five ounces,a company official said. 该公司的一位负责人说，目前阿根廷市场上自然生长的头发价格是每5盎司11美元左右。
- Mrs Parsons brought the spanner.Winston let out the water and disgustedly removed the clot of human hair that had blocked up the pipe. 帕森斯太太拿来扳手，温斯顿放掉脏水，忍着恶心把堵住水管的一团头发掏出来。
- Objective To observe the surface structure of amelanotic melanocytes( AMMCs) from human hair follicles by atomic force microscopy( AFM). 目的用原子力显微镜观察人头发毛囊内无色素黑素细胞的表面结构。
- Each microcapsule is about 40 microns in size (that's a little less than half the thickness of a human hair). 每个显微小囊大小约为40微米（不到人发粗细的一半）。
- People have always thought that hair had magical powers, and there are many superstitions about human hair. 人们一直认为头发具有魔力。关于人类的头发有很多迷信说法
- We just sew in real human hair into your scalp and the operation just takes a few hours. 我们只是把真的人发缝到您的头皮里，此手术只要几小时。
- For the national standand human hair sample and peach leafage sample,the measurement results are satisfactory. 对国家标准人发和桃叶样品分别进行了测定，结果与标准值相符。
- It's only human nature to want a comfortable life. 想过舒适的生活不过是普通人的本性。
