十五的单词是fifteen. 例句 The talks began some fifteen minutes late. 商谈迟了约十五分钟才开始。 We paid off our mortgage after fifteen years. 我...
十五的英文fifteen； 例句 你家里的电线应该每十到十五年更新一次。 The wiring in your house should be renewed every ten to fifteen years. 三个五等于...
