释义
〈非正式〉 对，正确。
双语例句
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Be careful not to bump your head on the beam when you stand up.
当心站起来时头别撞了横梁。
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His answer was on the beam.
他的答案正确。
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There's a giant turtle on the beam!
梁上有一只巨龟！
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Watching her performance on the beam is a real pleasure.
观看她在平衡木上的动作简直是一大享受。
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Then a crest slab is fixed on the beam, which forms the roof.
然后将顶板固定在房梁上，形成屋顶。
近义词
on the right tack
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Jack still sees the beam dropping down and Jill still sees the light beam travel a longer distance, except this time Jack and Jill cannot disagree on the speed because the speed of light remains the same no matter what.
杰克依然会看到光束反弹吉尔还是会看到该光束移动得更远，例外的是，这次杰克和吉尔却会对光的速度有分歧。这是因为光的速度无论如何还是保留不变。
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