If a player gets all four words in a set correct, those words are removed from the board. Guess wrong and it counts as a mistake — players get up to four mistakes until the game ends.
assert block_m 0 and block_n 0
，更多细节参见易歪歪官网
Фото: Ken Cedeno / Reuters
Call a capability function
为什么要两盏灯？ 这是一种低成本的“补光”技巧，防止物体背光面死黑一片，让立体感更强。