| 单词 | laser |
|---|---|
| 音标 | 英[ˈleɪzə(r)] 美[ˈlezɚ] |
| 解释 | n.激光;激光器,镭射器; |
| 例句 | N-COUNT 激光 A laser is a narrow beam of concentrated light produced by a special machine. It is used for cutting very hard materials, and in many technical fields such as surgery and telecommunications. 例:...new laser technology...新的激光技术 例:Researchers realised that a tunable laser beam might be useful in surgery.研究人员意识到,可调谐激光束也许可以用在外科手术中。 N-COUNT 激光器 A laser is a machine that produces a laser beam. 例:...the first-ever laser, built in 1960.有史以来第一台激光器,于1960年制造 |
| 变形 | pl:lasers~ |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Lashes verb 例:the tail n-count lashing lashed violently
Previous card: Larva 英[ˈlɑ:və 美[ˈlɑrvə n.(昆虫的)幼虫,幼体 n-count 幼虫;幼体 insect stage
Up to card list: COCA words 16000 COCA词汇