詞語：knifepoint
knifepoint的解釋
knifepointn. 刀尖
knifepoint的意思
knifepoint 刀尖;robbed two women at knifepoint 持刀搶劫兩名女子;robbed a taxi driver at knifepoint 用刀指嚇洗劫的士司機;
knifepoint的參考例句
1.The knifepoint geometry and cutting edge's blunt round radius are considered as critical parameters to get high quality for the machined surface. 認為正確地選擇刀尖部分幾何形狀和修光刃鈍圓半徑是獲得高質量加工表面的有力保證。
2.The hostage situation began at 8 a. m. when the suspect took three women hostage at knifepoint, said a senior officer with the police bureau of Fuzhou, Fujian Province. 據福建省福州警局一名高級官司員稱，這起持刀劫持人質事件發生在早上8點。
3.Through analyzing a simple rotary cutting device for regular polygon, the forming principle was introduced, and the equation of knifepoint relative to workpiece was established. 通過對一種正多邊形回轉車削簡易裝置的分析，闡述了正多邊形回轉車削成形原理，並建立了刀尖相對於工件的軌跡方程。