period of time造句
The money was lent for an undefined
period of time.
这笔钱无限期借出。
The inscription of the monument has worn away over a long
period of time.
年深月久,碑文已经磨灭了.
For a long
period of time Latin was the literary language of Italy.
很长一段时期,拉丁语是意大利的文学语言.