| 单词 | beam balance |
| 释义 | beam balance noun countable specialized ■a device for measuring the weight of something by putting it into a small dish that hangs from one end of a straight bar and balancing it with weights at the other end 杠杆秤（用于测量重量的工具，将所测物放入杠杆一端的托盘中，并用另一端的重物加以测量） |
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