常見(jiàn)例句雙語(yǔ)例句Read the postfix expression from left to right.從左到右讀入后綴表達(dá)式If you could not pop two operators, the syntax of the postfix expression was not correct.如果您不能夠彈出兩個(gè)操作數(shù)，后綴表達(dá)式的語(yǔ)法就不正確。If the postfix expression was correctly formed, the stack should be empty.若后綴表達(dá)式格式正確，那么堆棧應(yīng)該為空。 返回 postfix