他正在用刷子用力擦洗浴缸。

He is ___scrubbing the bathtub hard with a brush.

她用海绵和清洁剂使劲擦洗厨房台面上的油渍。

She kept ___scrubbing the grease off the kitchen counter with a sponge and detergent.

由于技术问题，制作团队不得不取消原定发布的新游戏预告片。

Due to technical issues, the production team had to ___scrub the scheduled release of the new game trailer.

在发布之前，我们需要仔细清理数据库中的错误记录。

Before publishing, we need to spend time ___scrubbing the database for incorrect records.