aha

1.Aha, so it's you hiding there.

啊，原来是你躲在这儿！

2.Aha,so it’s you hiding here.

啊，是你藏在这儿。

3.Aha, so both Karen and Steve had the day off work yesterday? The plot thickens!

啊，和史蒂夫昨天都没上班？情况越来越杂了！

4.The recombinant AHA and ZOA had the same agglutination activities towards rabbit red cells as the native AHA and ZOA isolated from the plants.

从植物中提取了天然的AHA和ZOA，作为行了凝血活性实验。