| laser | |
| 级别 | 第5级 |
| 音标 | [ ˈleɪzə(r) ] |
| 解释 | n.激光 |
| 英英释义 | (a device which produces ) a powerful narrow beam of light that can be used as a tool to cut metal , to perform medical operations , or to create patterns of light for entertainment |
| 发音 |  |
| 例句 |
1. We keep a laser record. 我们保存激光唱片。 2. Laser beams are also used in surgery. 激光束还可用于外科手术。 |
