iris

名词

1. 1

   虹膜

   The scanner reads the pattern of your iris to confirm your identity.

   扫描器会读取你虹膜的纹路来确认身分。

2. 2

   鸢尾、鸢尾花

   Purple irises bloom along the edge of the pond every May.

   每年五月池塘边都会开满紫色的鸢尾花。

3. 3

   光圈、可变光阑摄影

   Closing the iris slightly will make the background sharper.

   把光圈稍微缩小一点，背景就会更清楚。