They didn't travel far as the huge Maple tree just outside our window provided a very cool landing and launching practicepad.
他们不用飞很远，因为我家窗户外面巨大的枫树为他们提供了一个很好的练习起飞与降落的场所。
2
Note that due to the smaller track-pad size, as well as the inherent limitations of the ability of the hardware, it may take some practice before you can reliably trigger gesture events.
注意，由于触摸板尺寸较小以及硬件功能的内在限制，因此可能需要进行一些练习才能可靠地触发手势事件。
3
In practice a small pad will wear down more quickly and therefore in not used.