dilate
柯林斯词典
1. V-T/V-I When things such as blood vessels or the pupils of your eyes dilate or when something dilates them, they become wider or bigger. 使扩大; 扩大
At night, the pupils dilate to allow in more light. 晚上,瞳孔放大以便让更多的光线射入。
2. dilatedADJ 扩大的
His eyes seemed slightly dilated. 他的双眼瞳孔似乎稍微扩大了些。
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