pin的英文意思是钉；别针，扣针，饰针；大头针；没价值的东西。 压住；（用钉等）钉住，钉住，别住，扣住；用障壁等)围住，关住（俚语）抓住；[军]牵制。adj. 针的；钉的；销的；大头针的。
pin 用法和例句：
Pin these three pieces together .用大头针将三部分固定在一起。
Adam smith marvelled at the resulting efficiency in his description of a pin factory .亚当斯密（adamsmith）在描述大头针工厂时，对分工合作产生的效率感到惊叹。
A safety pin is male - it is often useful in an emergency .别针是男性：紧急关头总派的上用场。
Caution when handling the sharp pin.why do you think it is important to use something as small as a pin for this ?当你处理锋利的大头针时要耐心。你觉得为什么使用和大头针一样小的东西来做这个很重要？
Let 's pin the notice on the bulletin board .咱们把这个通知钉在布告牌上吧。
Start with the pin furthest away from you—then move on to the next.最先开启离你最远的一个针脚，然后再移到下一个。
A pin is a filter port, and it can be either an input port or an output port.一个针是一个筛选器端口，它可以是输入端口也可以是输出端口。
This height should be increased if the stock is to be lifted over a fixed pin stop .这高度应该被增加如果存货是在一个固定的大头针停止之上被升高。
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