您要查找的是不是:
- 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。
- It's not on the market yet, but a patch composed of tiny needles, each the width of a few human hairs, could eventually replace hypodermic needles for most drug injections. 虽然现在没有上市,但是一种由许多比人头发还微小的针组成的注射系统将最终取代常用药物的皮下注射方式。
- 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
- 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。
- 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。