test-tube
n.
1809, from test, n. + tube, n.. So called because it originally was used to test the properties of liquids. Test-tube baby is recorded from 1935.
| 词汇 | test-tube |
| 词根词缀 | Online Etymology Dictionary test-tube n. 1809, from test, n. + tube, n.. So called because it originally was used to test the properties of liquids. Test-tube baby is recorded from 1935. |
| 随便看 |
英语词根词缀词典收录了54763条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。