Add the ring-finger home-row keys S and L.

Keep the wrists relaxed while the ring fingers press S and L.

练习输入: s, l

目标: 95.00% 准确率.

S and L Guided Practice: sss lll sls lsl ss ll sl ls asa ;l; sds lkl fsf jlj sdf jkl

S and L Review: sdf jkl fds lkj sds lkl dsl ksf sjd lfk sfd klj dfs jlk ssl llk