"dilation" in Chinese (Simplified)

• 扩张
• 扩大

Definition

扩张是指变得更宽、更大或更加开放的过程，通常用于医学、科学或数学领域。

Usage Notes (Chinese (Simplified))

在医学（如“瞳孔扩张”、“宫颈扩张”）、科学和数学中常用。日常状态的物体变大时不用“dilation”，而用“扩展”或“增大”。属于正式/技术用语。

Examples

The optometrist used special drops to cause dilation before the eye exam.

眼科医生用专用滴眼液让你的瞳孔**扩张**以便检查。

The dilation of the pupils helps doctors check your eyes.

瞳孔的**扩张**有助于医生检查你的眼睛。

The doctor measured the dilation of her cervix during labor.

医生在分娩时测量了她宫颈的**扩张**。

Heat can cause the dilation of metal parts.

加热会导致金属部件的**扩张**。

In math, a dilation changes the size of a shape but not its proportions.

在数学里，**扩张**会改变形状的大小，但不改变比例。

There was visible dilation of the blood vessels after the medication.

用药后血管出现了明显的**扩张**。