sheet lightning

lightning that appears as a broad expanse of light in the sky 片状闪电.

sheath, sheath-knife, sheathe, sheathing, sheaves, shebang, shebeen, shed, shed weight, sheen, sheep, sheep-dip, sheep-dog, sheep-fold, sheepish, sheepishly, sheepishness, sheepskin, sheer, sheet, sheet music, sheeting, sheikh (also sheik), sheikhdom (also sheikdom), sheila, shekel, sheldrake, shelduck, shelf, shelf-life, shelf-mark, shell, shell bean, shell-shock, shell-shocked, shellac, shellacking, shellfish, shelter, sheltered,