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- He held the test tube in his hand thoughtfully. 他沉思地把試管拿在手里。
- The solution in the test tube is boiling away. 試管里的溶液不住地沸騰著(zhù)。
- Put some iron nails at the bottom of a test tube. 把一些鐵釘放在試管的底部。
- He mixed chemicals in a test tube. 他把化學(xué)藥品混合在試管里。
- He never held a test tube in his hand. 他手里從沒(méi)拿過(guò)試管。
- Take care not to break the test tube! 當心別把試管打碎了。
- Take care not to break the test tube. 當心別把試管打碎了。
- He demonstrated the principles with chemicals and test tubes. 他借助化學(xué)藥品和試管講解了這些原理。
- He added a small amount of water into the test tube. 他往試管中加入了少量的水。
- Take care not to let the gas in the test tube blow back. 當心別讓試管里的氣體爆炸。
- Then she poured the liquid out of the bottle into a test tube. 然后她把液體從瓶子里倒進(jìn)一個(gè)試管。
- There is a green residue in the bottom of the test tube . 試管底部有綠色的沉淀。
- The test tube is closed at one end with a hydraulic seal. 試管的一端為水封所封閉。
- WHEN YOU BEAT OFF IN A TEST TUBE FOR YOUR SCIENCE PROJECT? 你射在一支試管里當作科學(xué)作業(yè)?
- The test tube has been blocked off. What's to be done? 實(shí)驗試管被堵住了。怎么辦?
- Be sure to label all the test tubes . 一定要把所有的試管都貼上標簽。
- A test tube is closed at one end and open at the other. 試管一端封閉, 一端開(kāi)口。
- There is a green residue in the bottom of the test tube. 試管底部有綠色的沉淀。
- Chemical reaction do not take place in fizzing test tube. 化學(xué)反應不會(huì )發(fā)生在起泡的試管里。
- Be sure to label all the test tubes. 一定要把所有的試管都貼上標簽。
