您要查找的是不是：
- qualifical ion certificate 资格证书
- Do you accept foreign exchange certificate? 你们接受外汇券兑换券吗？
- She's going in for the Cambridge First Certificate. 她将参加剑桥初级证书考试。
- A certificate conferring a privilege or honor. 执照，奖状赋予某种荣誉和特权的证书
- The driver's certificate was suspended by the police. 这个司机的驾驶执照被警察吊销了。
- We sailed from Perth with a cargo of raw ion. 我们装着一船生铁从佩思启航。
- June is as proud as a peacock after winning her first swimming certificate. 琼自从获得了第一游泳证书后非常骄傲，瞧不起人。
- No one had seen her marriage certificate. 没人看到过她的结婚证书。
- Both of these particles can produce ion pairs. 这两种粒子都能产生离子对。
- Here is my vaccination certificate. 这是我的预防注射证明单。
- First he had to apply for a pedlar's certificate. 他先得申请商贩执照。
- Computers are now widespread ion China. 如今，计算机在中国被广泛应用。
- A certificate or voucher acknowledging a debt. 借据说明已收到欠款的证明或凭据
- The crystals were cleaned by argon ion bombardment. 结晶体由氩离子轰击而净化。
- The hydroxyl ion has a negative charge. 氢氧根离子有一个负电荷。
- Be sure to have your health certificate ready. 请准备好健康证明书。
- The seas, wind, and te ion were really high. 大海上风吼浪涌，我们的情绪也高度紧张。
- This is your sick-leave certificate for a week. 这是你一星期的病假单。
- I have brought his birth certificate. 我带他的出生证来了。
- Your passport and your health certificate, please. 请出示您的护照及体验证书。
