occur ә'kә:
释义
vi. 发生, 被想到, 存在
英文释义
v. come to one's mind; suggest itself
v. to be found to exist
词形变化
第三人称单数: occurs 过去式: occurred 过去分词: occurred 现在分词: occurring
BNC词频排名: 634 | 当代语料库词频排名: 756