| 1. | I was just going to speak, when the bell rang . 我刚要讲,钟就响了。 |
| 2. | The ring sum of two circs is a circ . 两个广义圈的环和是一个广义圈。 |
| 3. | The outer ring contains the valence electrons . 排在外层的有价电子。 |
| 4. | Weigh this ring in the small steelyard . 把这个戒指在杆秤上称一称。 |
| 5. | Yes , it is . just ring if you want anything . 是的,你要什么就按铃。 |
| 6. | If you can 't come , please ring me up . 如不能来,请打电话告诉我。 |
| 7. | I was just going to speak , when the bell rang . 我刚要讲,钟就响了。 |
| 8. | The ideal n is called the nitradical of ring a . 理想N叫作环A的小根。 |
| 9. | Do n't come unless i ring you up . 除非我打电话给你,否则你不要来。 |