(verb.) spread out or open from a closed or folded state; 'open the map'; 'spread your arms'.
(verb.) extend or stretch out to a greater or the full length; 'Unfold the newspaper'; 'stretch out that piece of cloth'; 'extend the TV antenna'.
(verb.) open to the view; 'A walk through town will unfold many interesting buildings'.
手打:奥斯伯特
汉克整理