来自PIE *ano, 圆，环形，同anus.

1. The papilla shows initially sickle - shaped and later annular atrophy.

视乳头初始表现为病理形态,后来表现为环状萎缩.

2. The annular space is evacuated and contains multiplayer insulation.

环形空隙被抽空排气,装有多层隔热材料.

3. Of course, tomorrow's annular solar eclipse is mostly for penguins.

当然, 明天的日环食大概只有企鹅才看得到.

4. In the first infant, there was a circumferential annular pancreas.

第一个婴儿为完全的环形环状胰腺.

5. It was reported that there would be an annular eclipse tomorrow.

据报道说,明天有日环食.