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.

安德鲁叔叔身也照样做，被一根树根绊倒，脸朝下跌倒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.

劳伦斯先生似乎怀疑她脑子里正在酝酿着什么，因为在房间里轻了几圈后，他过身来面对她，突然说话，拉塞拉斯脸朝下跌倒在板上。