【简答题】What is time? Is it a thing to be saved or spent or wasted, like money? Or is it something we have no control over, like the weather? Is it the same all over the world? That’s an easy question, you sa...
【简答题】N: Good afternoon, George. I have your test results back. P: What do they say? N: Well, we’re detecting an arrhythmia. [əˈrɪðmɪə] 心率不齐 P: Oh, really. Could you explain what that means? [ˈeɪtrɪ...