spacer
noun [ C ] uk/ˈspeɪ.sər/ us/ˈspeɪ.sɚ/
(FOR KEEPING THINGS APART)
隔离物；衬垫，隔离片，衬套
a device used to keep two things apart
Press a square spacer into the joint between the blocks. 将一个正方形垫片压入两块之间的连接处。
A toe spacer is a small cushion placed between the first and second toes that helps keep bones straight so that the bunion won't get worse. 脚趾垫是放置在大拇趾和第二个脚趾之间的一个小垫片，可以帮助骨骼保持平直，防止拇囊炎恶化。
- More examples
- Discs are flexible spacers between the bony vertebrae of the spine.
- They were playing a game with the plastic spacers used in pizza delivery boxes.
- The mechanic who removed the clips reported that no spacers had been installed.
(MEDICAL)
medical specialized（连在气雾剂吸入器上的）储雾罐
a large empty tube that attaches to an inhaler (= a small device for breathing in medicines) and helps the medicine go straight to your lungs
Breathe in and out from the spacer for four breaths in a row. 连续四次对着储雾罐吸气并呼气。
For some, an asthma spacer can be used in conjunction with their prescribed inhaler. 对于一些人来说，哮喘储雾罐可以和医生开给他们的吸入器一起使用。
- More examples
- Press the inhaler so that the medication sprays into the spacer.
- Equipment used to treat childhood asthma includes inhaler spacers, nebulizers and peak flow meters.
- Medication is sprayed into the spacer and the child breathes it into his or her lungs in five or six breaths.