**加粗** **加粗** -------------- //斜体// //斜体// ----------------- __下划线__ __下划线__ -------------- ''monospaced'' ''monospaced'' --------------------- T下标 T_下标 ---------------------- T上标 T^上标 ---------------- deleted deleted ------------------ 新段落\\ 新段落\\ 新段落\\ ----注意后面有空格 -------------