您要查找的是不是：
- knife extension blade 伸缩划料刀
- The knife was old,but the blade had a keen edge. 这把刀是旧的，但刀刃锋利。
- The invader thrust the blade of his bayonet into the woman's heart. 侵略兵把刺刀的刀身刺入那个妇人的心脏。
- She stabbed him in the leg with a kitchen knife. 她拿菜刀捅伤了他的腿。
- The knife Blade is wearing away. 刀刃正受磨损。
- He came running here with a knife held in one hand. 他一手握着刀向这里跑来。
- The sharp cutting side of the blade of a knife. 刀片上较锐利的能用来切割的那一边。
- A rabbit get catch in the blade of the reaper. 一只兔子被卷到收割机的刀刃中去了。
- He asked for an extension of his visa. 他申请延长签证有效期。
- A knife is one of the simplest of tools. 刀是一种最普通的工具。
- The blade is chipped in a few places. 刀锋有几个地方缺口。
- You need a sharp knife to cut through the knot. 你需用快刀才能把结切断。
- His cheek was badly scarred by a knife cut. 他的面颊上留有严重的刀疤。
- He built an extension onto his house. 他给自己的住宅扩建了一部分。
- The boy was delighted with his new knife. 男孩有了新的小刀后很高兴。
- Extension of the injured arm was painful. 把受伤的胳膊伸展开是很疼的。
- He picked up his knife and fork. 他捡起了刀叉。
- By extension, an array of any number of dimensions. 广义来说，矩阵可以是任意维数的数组。
- I had a tussle to get the knife off him. 我与他扭打一阵才把刀子夺下。
- The knife's blade gleamed dully in the dark. 刀刃在黑暗中幽幽地闪着光。
