昨天我和妹妹骑自行车去公园，一路上我们肩并肩且有说有笑。我们正在聊天，

昨天我和妹妹骑自行车去公园，一路上我们肩并肩且有说有笑。我们正在聊天，没有注意周围。

結果 (英文) 1:

My sister and I ride my bike to the Park yesterday, we stand side by side and talked and laughed all the way. We are talking, not around it.

結果 (英文) 2:

Yesterday my sister and I went to the park to ride a bike, the way we stand shoulder to shoulder and laughing. We're talking no attention to the surrounding.

結果 (英文) 3:

Yesterday, my sister and I went to the park by bike along the way, we stand side by side and laughing and talking. We are talking, no attention around.