pitchfork
英 [ˈpɪtʃfɔːk]
美 [ˈpɪtʃfɔːrk]
n. 杈子; 干草叉
复数：pitchforks 过去分词：pitchforked 过去式：pitchforked 现在分词：pitchforking 第三人称单数：pitchforks
BNC.25645 / COCA.22185
牛津词典
noun
- 杈子；干草叉
a farm tool in the shape of a large fork with a long handle and two or three sharp metal points, used especially for lifting and moving hay (= dried grass), etc.
柯林斯词典
- 干草叉；草耙
Apitchforkis a tool with a long handle and two pointed parts that is used on a farm for lifting hay or cut grass.
英英释义
noun
- a long-handled hand tool with sharp widely spaced prongs for lifting and pitching hay
verb
- lift with a pitchfork
- pitchfork hay
双语例句
- Some typical bifurcations such as period-doubling, tangent bifurcations, pitchfork and homoclinic bifurcations were observed.
观察到了许多典型的分岔现象，如倍周期分岔、切分岔、叉式分岔、同宿分岔等。 - When a young man without coat, and shouldering a pitchfork, appeared in the yard behind.
这时一个没穿外衣的年轻人，扛着一根草耙，在后面院子里出现了。 - We call it the pitchfork.
我们称它做强行注射。 - There are three there, Bill, with a jolly large blue unicorn and gold pitchfork on'em: which is the old lady's arms.
那儿有三把椅子，比尔，上边画着一头挺大的蓝色独角兽和一把金色的草叉，是这家老太太的纹章。 - For many people, Pitchfork is an expert on independent music.
对于许多人来说，音叉音乐网在发展独立音乐方面是佼佼者。 - A simple bimolecular reaction model giving rise to pitchfork bifurcation
一个简单的能呈现二分岔现象的双分子反应模型 - She wears her clothes as if they were thrown on with a pitchfork.
她身上的衣服就像被扔在干草叉上。 - The motion equations of the airfoil are written as the four dimensional one order differential equation, the analytic solutions of the critical speeds for the pitchfork bifurcation and Hopf bifurcation are obtained. The stabilities of the equilibrium points and limit cycles are studied in two parameter plane.
化方程为四维一阶微分方程，解析求出了系统发生叉式分支与Hopf分支的临界流速值，研究了在两个参数平面上的平衡点和极限环的稳定性及其个数。 - The steady-state solutions and their local stabilities are analyzed analytically. The Hopf bifurcation sets and the Pitchfork sets, on the driving frequency and driving force plane, are determined theoretically and experimentally, showing they agree with each other qualitatively.
解析分析了演化方程的稳态解及其局部稳定性，理论和实验确定了驱动频率和驱动力平面上的Hopf分岔集和叉式分岔集，理论和实验结果定性吻合。 - When her husband came by, she jumped out and stood before him with her red horns, long tail, and pitchfork.
当丈夫走近时，她从树后跳出来，站到他面前，头上带着红色的羊角、身后有长长的尾巴，手中握着钢叉。