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- Results Oscillography analysis law was practical for the determination of ultrasonic knife frequency. 结果：利用该方法可以较为完整地进行超声刀驱动频率的检测，具有一定的实用价值。
- She stabbed him in the leg with a kitchen knife. 她拿菜刀捅伤了他的腿。
- He came running here with a knife held in one hand. 他一手握着刀向这里跑来。
- A knife is one of the simplest of tools. 刀是一种最普通的工具。
- 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。
- The boy was delighted with his new knife. 男孩有了新的小刀后很高兴。
- He picked up his knife and fork. 他捡起了刀叉。
- I had a tussle to get the knife off him. 我与他扭打一阵才把刀子夺下。
- A sharp knife makes a clean cut. 快刀切得整齐。
- I couldn't withstand a murderous-looking knife. 我无法忍受凶光闪闪的刀。
- He came running here with one hand holding a knife. 他手上握着刀向这里跑来。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- He scratched his name on the wall with a knife. 他用一把小刀把自己的名字刻在墙上。
- They ground the knife on a grindstone. 他们在磨刀石上磨刀子。
- He made a very beautiful scabbard for his knife. 他为他的刀做了一个漂亮的鞘。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- In default of tools, he uses a knife. 因没有工具，他使用一把刀子。
- The paint scaled off easily with a knife. 油漆很容易用刀子刮掉。
- The patient died under the knife. 病人于手术中死亡。
