1. The letter 'a' in the word "ran" pronounces the sound '?', which is a front vowel.2. The letter 'u' in the word "run" pronounces the sound '?', which is a mid vowel.3. "Run" is the past tense of "ran".4. Run English Pronunciation: [r?n] Chinese Meaning: v. to run; to run quickly; to run a certain distance; to engage in running exercises5. Third Person Singular: runs Present Participle: running Past Tense: ran Past Participle: run6. Example Sentence: Look, the train's in. We'll have to run for it now. Translation: 看，火車進(jìn)站了，我們現(xiàn)在得趕緊朝那邊跑了。7. Related Words: 1. Running English Pronunciation: ['r?n??]Chinese Meaning: adj. continuous; flowing; running; operatingExample Sentence: He kept a running tally of who had called him, who had visited, who had sent flowers.Translation: 他記錄著關(guān)于誰給他打過電話、誰看望過、誰送過花的一本流水賬。 2. Runner English Pronunciation: ['r?n?]Chinese Meaning: n. runner; smuggler; salesman; messengerExample Sentence: If you run, you are a runner.Translation: 如果你跑步，你就是個(gè)跑步者。