needlelike

针状的中释adj

1 The Pacific viperfish has jagged, needlelike teeth so outsized it can't close its mouth..太平洋蝰鱼那锯齿状的针一样的牙齿是如此之大，以至于它不能合上自己的嘴巴。

2 The extreme thinness of graphene could also lead to more efficient field emitters— needlelike devices that release electrons in the presence of strong electric fields..另外石墨薄膜厚度极薄，也可做成效率更高的场射极，也就是在强电场中可发射电子的针型装置。