他的瞳孔似乎略微放大。His eyes seemed slightly dilated.他可以看到裘莉亚眼里的瞳孔四周发白.He could see the white all round the irises of Julia's eyes.到了晚上，瞳孔就会扩大以接收更多光线。At night, the pupils dilate to allow in more light....
For the past few days Corinne has been living on an emotional tightrope.在过去几天里，科琳娜在感情问题上如履薄冰。School administrators walk a tightrope between the demands of the community and the realities of how children really behave.学校管...
Some programs on television have degenerated into weary repetitions of each other.某些电视节目愈来愈糟,沉闷乏味,相互雷同.Many repetitions can result in collapse.多次反复就能导致断裂.After several repetitions there still remains an error.重复数次之后仍然存在误...