present perfect 的英语意思
present perfectˌpresent ˈperfect noun 
查看全部语言翻译 the present perfect the form of a verb that shows what happened during a period of time up to and including the present, formed in English with the present tense of the verb ‘have’ and a past participle, as in ‘he has gone’动词的一种时态形式，表示从过去某时到现在这段时间内发生的事，在英语中由动词"have"的现在时加过去分词构成，如"he has gone"
查看全部语言翻译 the present perfect the form of a verb that shows what happened during a period of time up to and including the present, formed in English with the present tense of the verb ‘have’ and a past participle, as in ‘he has gone’动词的一种时态形式，表示从过去某时到现在这段时间内发生的事，在英语中由动词"have"的现在时加过去分词构成，如"he has gone"