With enough of a flourish to guarantee the class's attention, he went to the front of the room, near one edge of the board.

于是他在众目睽睽之下，走到前面，靠近黑板的一边，轻咳了一下（以便引起注意）。

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Each one of a pair of conductive terminals (12) may be located on opposite surfaces of the circuit board so that the leads (28) from an LED (26) will straddle an upper edge of the circuit board.

一对导电端子(12)中的每一个可被布置于电路板的相对表面上，以使得LED(26)的引线(28)横跨电路板的上部边缘。

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Each one of a pair of conductive terminals (12) may be located on opposite surfaces of the circuit board so that the leads (28) from an LED (26) will straddle an upper edge of the circuit board.

一对导电端子(12)中的每一个可被布置于电路板的相对表面上，以使得LED(26)的引线(28)横跨电路板的上部边缘。

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