dilate

動詞

1. 1

   擴張、放大、變寬

   Her pupils dilated as she stepped into the dark hallway.

   她走進黑暗的走廊時，瞳孔隨之擴張。

2. 2

   使擴張、使膨脹

   The doctor used drops to dilate the patient's pupils before the exam.

   醫生在檢查前用眼藥水讓病人的瞳孔放大。

3. 3

   詳述、細談正式

   He dilated on the topic for nearly an hour without notes.

   他不看稿就這個題目詳述了將近一個小時。