例句:
The pass is kept open all the year.
通道一年到头畅通无阻。
Accurate records must be kept at all times.
任何时候都必须保存准确的记录。
She kept her past secret from us all.
她对我们所有人都避而不谈她的过去。
The machines are kept running night and day.
这些机器夜以继日地运转着。