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- sodium cobaltinitrite test 钴亚硝酸钠试法
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- potassium sodium cobaltinitrite 六硝高钴酸钠二钾
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- sodium cobaltinitrite 亚硝酸钴钠
- Sodium and water react (together). 钠和水能起反应。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- He is answering the test paper busily. 他正忙着答考试卷。
- Don't tumble down on this easy test. 这次考试不难，你可别考砸了。
- Tomorrow we'll have a history test. 明天我们将进行历史测验。
- That driving test was a real doddle. 那次驾驶执照的考试真是易如反掌。
- The battery is on test at the moment. 此刻正在对这种电池进行测试。
- But for Tim, the whole class passed the test. 除蒂姆之外，全班都通过了这次考试。
- The boys were given an intelligence test. 那些孩子们接受了智力测验。
- In the main, the pupils did well on the test. 总的来说，学生们考得很好。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
