He peered sideways up and gave a long low whistle of call, then paused awhile in rapt attention, his even white teeth glistening here and there with gold points.

• 他朝上方斜睨，悠长地低声吹了下呼唤的口哨，随后停下来，全神贯注地倾听着。他那口洁白齐整的牙齿有些地方闪射着金光。