| 单词 | spirit level |
| 释义 | spirit levelBrE /ˈspɪrɪt levl/ NAmE /ˈspɪrɪt levl/ (also level ) noun a glass tube partly filled with liquid , with a bubble of air inside . Spirit levels are used to test whether a surface is level , by the position of the bubble 气泡式水准仪 |
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