| 单词 | laser beam |
| 释义 | > as lemmaslaser beam laser beam n. ΚΠ 1963 Monsanto Mag. Mar. 10/3 A laser beam can generate intense heat—10,000°F. or higher—in a small area. 1970 Daily Tel. 28 Aug. (Colour Suppl.) 17/1 A laser beam, focused through the lens of the eye, can weld a detached retina back into place by creating scar tissue. < as lemmas |
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