gap

Compared meaning: a hole, gap or space between things (noun).

比较义项：孔洞、缝隙或空隙（名词）。

• opening

  Opening highlights a hole or breach that lets someone or something pass through or see through; it can appear in a single surface (a wall, cloud, fence) without implying two separate things facing each other.

  opening 强调可供人或物穿过或看穿的孔洞、缺口，可以出现在单一表面（墙壁、云层、篱笆）上，不一定意味着两个相对的物体之间。

  The climbers found an opening in the rock face and squeezed through.

  登山者在岩壁上发现一个开口，挤了进去。

• gap 本词

  Gap emphasizes the empty space or distance separating two things that are normally close together, as in a station announcement about a train and a platform; it stresses separation more than passage.

  gap 强调把通常紧靠在一起的两个事物分开的空隙或距离，例如车站广播中提到火车与站台之间的间隙；它更强调“分隔”而非“可通过”。

  Mind the gap between the train and the platform.

  注意火车和站台之间的缝隙。

Both words can mean a space between things, but focus differs. Gap stresses the space separating two things close together. Opening stresses a hole that something can pass through, without needing two facing things. Opening's 'job vacancy' sense and gap's 'difference' sense are not compared.

这两个词都可以指物体上或两者之间的空间，但语气不同：gap 强调把通常紧靠的两个事物分开的间隔或缝隙；opening 强调可供穿过或看穿的孔洞、开口，不一定要有两个相对的物体。这里不比较 opening 的“开业、职位空缺”等义项，也不比较 gap 的“差距、代沟”等义项。