digitalread释义：
数字阅读
例句：
Most digital read-outs on laboratory instruments， calculators and watches use LED display.
实验仪器、计算器、手表的数字读出大多是二极光显示。
digitalwrite释义：
数字写
例句：
Convincing its feature writers to write more frequently， for example， was one of the magazine's first challenges as it leapt into the digital format， he says.
例如，他说，说服特稿作者撰写更多稿件，就是该杂志向数字版跃进时首先面临的挑战之一。
