Uncle Andrew turned to do likewise, tripped over a root, and fell flat on his face in a little brook that ran down to join the river.

安德鲁叔叔转身也照样做，被一根树根，朝下跌在一条汇入河流的小里。

Mr. Laurence seemed to suspect that something was brewing in her mind, for after taking several brisk turns about the room, he faced round on her, speaking so abruptly that Rasselas tumbled face downward on the floor.

劳伦斯先生似乎脑子里正在酝酿着什么，因为在房间里轻快地转了几圈后，他转过身来面对，突然说话，拉塞拉斯朝下跌在地板上。