a typewriter carriage的用法和样例：
- Depress the space bar on a typewriter.
- She is pecking away at the keys of a typewriter.
- She is pecking away at the key of a typewriter.
- The first English patent for a typewriter was issued in1714.
- A typewriter has a carriage which holds and moves the paper.
- I heard someone clicking off something on a typewriter in the next room.