The past continuous tense refers to actions that continued for a period of time, as in the sentence "she was walking," which describes an action that was still happening in a prior window of time to which a speaker is presently referring. The past perfect tense is used to describe actions that were already completed by a specific point in the past.
丁度 巴拉斯精选短篇集之畸情 Tinto Brass Presents Erotic Short Stories: Part 4 - Improper Liaisons 5.7 (426人评价) 导演: Massimiliano Zanin / 安德里亚 普兰斯特拉 / Nicolaj Pennestri 主演: 黛博拉 卡利 / 萨萨 武利切维奇 / 尤莱亚 玛姬裘克 类型: 喜剧 制片国家/地区: 意大利 年份: 1999
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- One possible explanation of the high degree of order in the present-day world is that it is just a question of luck. 对 今天 世界 之所以 高度 有序 的 一个 可能 解释 是， 这 恰恰 是 一种 侥幸。
- The journalists must be present at all important events and yet still let them have opportunity to write and file their stories. 记者 必须 出席 所有 的 重要 场合， 但 同时 又 得 让 他们 有 机会 写 消息， 发 消息。
- of swarm since if it is not present, then it is maybe impossible for the swarm to achieve any other group objective. 稳定性 是 群集 行为 的 基本 特性， 如果 群集 不 稳定， 那么 群集 不可能 达到 或 完成 各种 集体 目标 或者 任务。