occurring
🇬🇧/əˈkɜː(r)/ 🇺🇸/əˈkɜːr/ 8 When something occurs, it happens. 发生
verb [vt. 及物动词](尤指意外地)发生;存在,出现;(想法)产生
- If headaches only occur at night, lack of fresh air and oxygen is often the cause. 如果头痛只发生在晚上,缺少新鲜空气和氧气常常是其原因。
verb [vt. 及物动词](尤指意外地)发生;存在,出现;(想法)产生