had been doing

读音:英 [həd biːn ˈduːɪŋ] 美[həd bɪn ˈduːɪŋ]

had been doing 基本解释

现在完成进行时

重点词汇

been v. 用来表示某人或某物即主语本身,用来表示某人或某物属于某一群体或有某种性质( be的过去分词 );在,存在;不受干扰;去过了;be的过去分词;老练(指性事);以前也经历过

doing n. 做;不能接受;难以完成;事件 v. 做( do的现在分词 );干;学习;研究


最新查询单词: overfall overextend 讷口少言英文 overexposed overexpose overestimates overestimate overemphasized overemphasize overeating
更新时间:2026-10-31 09:49:03
had been doing是什么意思 had been doing怎么读 had been doing中文意思 翻译
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