pinhead

英 [ˈpɪnhed]

美 [ˈpɪnhed]

n.  大头针的平头

TOEFL

BNC.48757 / COCA.20666

牛津词典

noun

• 大头针的平头
  the very small flat surface at one end of a pin

柯林斯词典

• N-COUNT 针头；别针尖；钉头
  Apinheadis the small metal or plastic part on the top of a pin.
  1. It may even be possible to make computers the size of a pinhead one day.
     甚至有一天计算机都可能做成钉头那样大小。
• N-COUNT 傻瓜；笨蛋
  If you think someone is very stupid, you can say they are apinhead.
  1. ...the pinheads with the money and connections.
     有钱有势的笨蛋

英英释义

noun

• the head of a pin
• an ignorant or foolish person
  Synonym:dumbbelldummydopeboobbooby

双语例句

• C. have a sphincter the size of a pinhead.
  C.心情郁闷。
• In electronics, the unidirectional, pinhead electron stream generated by the cathode gun in a CRT.
  在电子技术中，由阴极射线管（CRT）中电子枪所产生的、单向细电子流。
• Thus if you enlarged a rounded bacterium a thousand times, it would be just about the size of a pinhead.
  因此，即使你把一个圆形细菌放大1000倍，它也不过一个针头那么大。
• Ricin can cause death from exposure to as little as a pinhead amount.
  只要针头大小的药量，蓖麻毒素就可以致人死命。
• Methods The changes of surface fissure position were observed while using different types of pinhead, two joint means, three kinds of tranfusion speed, and then we analyzed the observation by physical principle. By means of M.
  方法实验观察不同型号针头，两种连接方法，三种滴速情况下，不同裂隙部位液面的变化，再用物理原理加以分析。
• The latter measure a few dozen micrometres across; hundreds could crowd on to a pinhead.
  后者长几十个微米，一个针尖上可以放下几百条。
• The main research tasks were how to drive and control image acquisition system; motion control of stepping motor; design and manufacture illumination system; mothods of image processing and inspect reversed fitting of pinhead.
  研究任务主要包括解决图像采集系统的驱动及控制、针头自动传输系统设计、照明系统的设计与制作，数字图像处理方法与针头反表缺陷检测等。
• You could place haft a dozen of them on a pinhead.
  它们小得可以在一个针头上放半打。
• Nursing care of local skin of fixing place of insulin pumps pinhead
  胰岛素泵针头固定处局部皮肤的护理
• Firstly, the calcium alginate beads were produced by using high-voltage electrostatic droplet generator, the influences on beads profiles such as concentration of sodium alginate solution, voltage, push speed and pinhead were studied to select the basic parameters to produce microcapsules.
  首先，利用高压静电液滴发生装置制备了海藻酸钙胶珠，考察了海藻酸钠溶液浓度、电压、注射泵推进速度、针头等因素对胶珠制备的影响。