Most ergonomic keyboards fall into two categories: fully split which separates the board into two pieces, and unibody split, also known as an Alice design, which angles the keys outward at the bottom. When the keys are rotated outward or split into two halves, it allows for a wider spread between your elbows for a more relaxed typing position. Other ergonomic features, such as thumb clusters, center tenting and negative tilting are sometimes added to either type of board.
The radio silence that accompanies re-entry went on far longer than normal. Millions watched on TV, many convinced that all was lost.
，更多细节参见搜狗输入法2026
// 优化点：仅i<len时赋值（避免重复赋值，提升效率）
As McKenzie speaks about his job, it is a stunning Antarctic summer's day, a balmy -15C. The view outside his window is a vast expanse of white as far as the eye can see, smoothed over by an equally vast layer of pure blue.