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- Iron exchange is a goodmethod in extracting terrestrial cosmogenic isotopes.But it need puriety quartz and serious attitude in order to get high extraction proportion. 样品的处理采用离子交换法，是行之有效的方法，但需要有高纯度的石英，操作过程也必须谨慎，从而避免和消除污染，以提高宇生核素的提取率。
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- It will take weeks to get all the wrinkle iron out. 解决这些难题得要几周时间。
- Have you any scrap iron knocking about? 你那儿有散在各处的废铁吗？
- Do you accept foreign exchange certificate? 你们接受外汇券兑换券吗？
- Trading on the Stock Exchange was light today. 证券交易所今日交投平平。
- He cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- It is some kind of plastic made to imitate iron. 这是一种塑胶，但外观仿制得像铁。
- That iron is a good conductor is known to us all. 铁是良导体这是我们大家都知道的。
- A soldier was wounded in the exchange. 一名士兵在交火中受伤。
- She seared her hand on the hot iron. 她的手被热熨斗烫伤。
- He gave me an apple in exchange of an orange. 他给我一个苹果，交换一个橙子。
- We need an electrician to mend the iron. 我们要请电工修理熨斗。
- Each telephone served by a private branch exchange. 由专用小交换机提供服务的电话分机。
- By just exchange one for another giver. 就这样以心相许相与。
- These appliances are made of stainless iron. 这些器具是用不锈钢制成的。
- The London Stock Exchange is in turmoil today. 今天伦敦证券市场一片混乱。
- Flakes of rust are falling from the old iron pan. 一片片的锈从旧铁锅上落下。
- Keep this exchange memo for reconversion into foreign currency. 保存好这张兑换水单以便兑换回外币。
- The worker repaired the barrel with a hoop iron. 这个工人用一个铁箍修桶。
