v.使扩大；扩大；膨胀；详述
Sometimes, I feel I need to dilate my pupils to remain attentive. 有时,我觉得需要扩大瞳孔才能精神集中。
The horse dilated its nostrils. 那匹马张大它的鼻孔。
The cat dilated its eyes in the darkness. 猫在黑暗中睁大眼睛。
The balloon will dilate with air. 气球充气将会膨胀。
If there are time, I can dilate on the subject. 要是有时间，我可以详细谈谈这个问题的。
