隔開

In a sentence

• 我们用屏障隔开了两个区域。

  We used a barrier to separate the two areas.

  '隔开' here signifies the act of separating or creating a division between two parts using some intermediate object.

• 这道墙隔开了两个房间。

  This wall separates the two rooms.

  In this sentence, '隔开' denotes the physical separation created by a solid structure between two spaces.

• 老师用布隔开了实验器材以便区分不同的用途。

  The teacher used cloth to separate the experimental equipment to differentiate their uses.

  Here, '隔开' implies using a material to group items into distinct functional categories.