最佳答案
1）介詞at, in跟on不只表示地點，也表示時光。如：Many tourists come here in autumn. They usually come in Julyand in August.很多遊覽者夏天到這裡來。他們常在7、8月來。還可能用approximately, about, around, round, round about等詞與介詞連用來描述近似的時光不雅點。如：The accident happened at approximately 6:00 a.m.變亂大年夜概產生在淩晨6點。