beam [bi:m]以下由轻松背单词网站提供
单词级别第5级基本释义n.横梁;光束;vi.发光,发热英英释义a line of light that shines from a bright object参考例句The load on this beam is more than it will bear. 横梁上的负荷比它能承受的要大得多。I could see the beam of his flashlight waving around in the dark. 我可以看到他的手电筒光在黑暗中上下舞动。 推荐阅读 |