让我们通过该方法启动一个背景为白色的带指针时钟。
Let's start an analog clock with a wheat background using this method.
墙上时钟的指针伴着轻轻的嘀嗒声走着。10:30了。
The hands of the clock on the wall moved with a slight click. Half past ten.
至少从理论上讲，墙上时钟的指针可以向两个方向上转动。
In theory, at least, the hands of your clock can tick in both directions.
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