noun 下载 🔗分享 发生，事件，事故 An actual instance when a situation occurs; an event or happening. Examples : "The frequent occurrence of noisy construction near my house has made it hard to concentrate on my studies. " 我家附近频繁发生建筑噪音，这让我很难集中精力学习。 event situation time phenomena 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 发生，出现，时态。 (grammar) The lexical aspect (aktionsart) of verbs or predicates that change in or over time. Examples : "The occurrence of "to learn" differs from the occurrence of "to know." "To learn" implies a process of acquiring knowledge over time, while "to know" implies a present state. " 动词“学习”(to learn)的时态变化不同于动词“知道”(to know)的时态变化。“学习”暗示着一个随着时间推移获取知识的过程，而“知道”则暗示着一个当前状态。 grammar linguistics language 与AI对话词汇游戏阅读练习
