| 1. | The opening of the iris is called the pupil . 虹膜的开口处叫做瞳孔。 |
| 2. | The new edges are called the spokes of the wheel . 新的边称为轮的辐。 |
| 3. | The ideal n is called the nitradical of ring a . 理想N叫作环A的小根。 |
| 4. | This phenomenon is called the fountain effect . 这种现象叫作喷泉效应。 |
| 5. | This structure is called the heme group . 这一结构叫做血红素基因。 |
| 6. | In case of urgency , call the police . 一旦发生紧急情况,打电话给警察。 |
| 7. | Christmas is often called the festive season . 他们往往称圣诞节为节日。 |
| 8. | There is a third wire called the sense wire . 还有第三根导线,即读出线。 |
| 9. | Libraries call the shelves "the stacks" . 图书馆把书架叫做书库。 |
| 10. | Music has been called the universal language . 人们称音乐为世界的语言。 |