n.筆尖

The breadth of these lines is equal to the one of the penpoint. 上面有三個顏色條，它們的寬度分別跟這支筆相同。

Like fresh-cut lemon, our young unscrupulous stories emit delicate fait scents and flow elegantly beneath our penpoint. 年少輕狂的故事，像一片片剛切下的新鮮的檸檬，散發(fā)出青青澀澀的清香，在歲月的字里行間淡淡飄逸。

The penpoint fracture is main due to non-metallic inclusions and center segregation. 筆尖狀斷裂主要由非金屬夾雜和中心偏析造成;

In this season of sprouting tung, all my past joys and speculations are turning into words on a clean white paper, I just let them relive under my penpoint with a teary smile. 而我惟有在這青桐萌花的時節(jié)，把所有過往的快樂和思索化為深深淺淺的墨跡浮動在一枚素色的薄箋上，任它們彈指間輪回成一紙帶淚的笑顏。

penpoint fracture and breaking on the early course of drawing are caused by shrinkage void inside the rod; 斷口呈筆尖狀,在拉拔早期發(fā)生斷裂是由于內部存在縮孔缺陷所致;