The first semi-successful attempt was made in 1807, when British chemist Humphry Davy used a primitive battery to make an arc of light between two charcoal sticks.
第一次半成功的尝试是在 1807 年,当时英国化学家汉弗莱·戴维用一块原始电池在两根木炭棒之间擦出了一道光弧。
单词 | charcoal stick |
例句 |
原声例句
大英百科全书 The first semi-successful attempt was made in 1807, when British chemist Humphry Davy used a primitive battery to make an arc of light between two charcoal sticks. 第一次半成功的尝试是在 1807 年,当时英国化学家汉弗莱·戴维用一块原始电池在两根木炭棒之间擦出了一道光弧。 |
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