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

• Introduction of a pinhead extractor Self-made Syringe-needle Set
  介绍一种针头拔出器
• 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。
• 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。
• 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。
• 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。
• 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
• Under the use state, the tip of the pinhead is higher than the side of the pin and under the non-use state, the blunt side of the pinhead is slighter than the side of the pin.
  在使用状态，插针头的尖端稍高于插针的末端，而在不使用状态，插针头的钝端也稍高于插针的末端。
• 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。
• 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。
• Conclusions It is better to avoid needling toward the left direction, which may reduce the forming of debris of rubber stopper when No. 12 incline-hole pinhead is used to puncture vertically into rubber stopper.
  结论采用12号斜面针头加药，最好避免针头向左，它可以减少穿刺胶塞时碎屑的形成。