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

• 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。
• 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。
• 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。
• 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。
• 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。
• Objective To look for the practicable method to reduce the forming of debris of rubber stopper by using No. 16 pinhead to puncture vertically into sealed bottles.
  目的寻找减少16号针头垂直穿刺密封瓶时胶塞碎屑形成的实用方法。
• Experimental Research on Drag Reduction of Biomimetic Non-Smooth of the Surface of Injector Pinhead
  注射器针头表面仿生非光滑形态减阻的试验研究
• Jack is one of the best-looking man in the office, too bad he's such a pinhead!
  杰克是办公室最英俊的男子之一，可惜他笨的要死。
• Under the non-use state, the tip of the pinhead can be concealed, thereby improving the defects that the traditional subpoena receptacle is easy to prick the hands of other persons.
  在不使用状态下，插针头的尖端可以隐藏起来，从而可以改变传统传票插容易扎伤他人的缺点。
• 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。