Gunpowder(火药) It was one of the greatest inventions.It is said that a Chinese man wrote about how to make it.At first,it was used for making fireworks.At the end of the Tang Dynasty,people began to use it in wars.The method of making it was brought to the Ar...
The more work you have to do to draw a bow, the more energy it can transfer to an arrow. Compound bows usepulleysto help people do more work on the bow with less physical effort. In addition, when fully drawn, a compound bow's pulleys often hold part or even most of the draw weig...
Throughout history, some smart and adventurous people with strong stomachs have devised a number of ingenious uses for their pee. Gunpowder Gunpowder is comprised of 75% potassium nitrate, 15% charcoal and 10% sulfur. While charcoal (historically made with wood) and sulfur (historically dug from ...
百度试题 结果1 题目C. How many people is there in you family?5G让我们一起来学习中国四大发明的英文表达吧!Gunpowder(火药)Compass(指南针)Paper making(纸术)Printing(印刷术) 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Before the invention of gunpowder, the first chemical explosive, sometime in the first millennium, people had to fight their enemies hand-to-hand on the battlefield with crude weapons like swords and spears. Today, you don't even have to be able to see your enemy—let alone touch them: ...
1. Most historians hold that the Chinese invented fireworks in the 9thcentury when they discovered how to make gunpowder. Story has it that a Chinese cook accidentally mixed together what were then considered common kitchen items and noticed they burnt. When put tightly in a bamboo tube and lit...
Gunpowder can help people___. G. print books . make paper . make fireworks( )29. The___ can tell us directions. . printing . compass . gunpowder( )30. These four inventions are very___. . helpful . useful . both A and B 相关知识点: 试题来源...
a中国古代有四大发明是造纸术,指南针,活字印刷术与火药 China ancient times had four big inventions is the papermaking technique, the compass, the type printing method and the gunpowder[translate] a因此我想做一些关于我自己专业的工作 Therefore I want to make some about my specialized work[translate]...
Accidental gases includes gases soldiers may encounter during war that are not directly related to a chemical weapon, such as excessive gases from gunpowder during a firefight. Mustard gas or mustard agent is a poisonous gas that falls in the first group, along with even more lethal chemical age...
Weapons inPalworldunlock as you level up, but you don’t just get them automatically. You will still need to gather all the resources and craft them yourself. Here are all the weapons you unlock in order as you level up, plus the recipe to make them. ...