英语翻译是Please spell this word "apple".还是Please spell "apple" t

please spell the word "apple"
再问： why
再答： just obey the rule
再问： what rule
再答： you should say "which rule" instead of "what".
再问： Which rule
再答： grammar
再问： How to explain?
再答： rule is the thing we should obey,without explanation.