| 1. | His whereabouts have been utterly unknown so far . 迄今他的下落全然未知。 |
| 2. | Imaginations bodies forth the forms of things unknown 想像力使未知事物的形像呈现于心中。 |
| 3. | The utility was entering new and uncharted territory . 公司进入了一个陌生的、未知的领域。 |
| 4. | Assign a direction and a letter to each unknown current . 请对每个未知电流标以方向和字母记号。 |
| 5. | From that moment she resolved to trace the unknown element . 从那日起,她决心找出这种未知的元素。 |
| 6. | It is related to it in some direct but unknown fashion . 它们之间有某种直接的但是形式未知的关系。 |
| 7. | They attacked what was unknown, in order to make it known . 他们钻研未知的东西,以便变不知为已知。 |
| 8. | Let us compare our unknown analog input signal to a "guess" . 现将一个未知的模拟输入信号同一个假定值进行比较。 |
| 9. | A star does not shine because some occult force has caused it to do so . 一颗恒星不发光是因为某些未知的力所致。 |
| 10. | The spirit had not come from any ancestor, it had come out of the unknown . 灵魂不是来自祖先,而是来自未知世界。 |