| 1. | I bounded up the steps and rapped on the door .
我跳上台阶，赶紧敲门。 |
| 2. | The walls of the craters are terraced .
坑穴四壁是成阶地的。 |
| 3. | At the top of the shore is a berm .
海岸顶上是后滨阶地。 |
| 4. | The sound stopped by the doorstep .
声音到门阶边停住了。 |
| 5. | Put your empties on the doorstep for the milkman .
把空奶瓶放到门阶上，等送奶人来取。 |
| 6. | Quantities like stresses are called tensors of rank 2 .
类似于压力的量称为2阶的张量。 |
| 7. | Then he marched, upright the square, down the steps .
然后他挺起胸来，大踏步走下台阶。 |
| 8. | The simplest non-trivial groups are those of order 2 .
最简单的非平凡群是一些二阶的群。 |
| 9. | She mounted the steps firmly .
她坚定地迈上台阶。 |
| 10. | The elastic moduli eijlm represents a tensor of the fourth order .
弹性模数Eijlm表示一个四阶张量。 |
