opening [ˈəʊpnɪŋ]

以下由轻松背单词网站提供

n.开始，口，穴，揭幕；adj.开始的

a hole or space that something or someone can pass through

Instead of opening the gate, we climbed over it. 我们没有开门，而是从门顶上爬过去的。
There was an opening in the wall. 墙上有个洞。