发布于：2025-07-05 22:12浏览量：158文/优校网
1.begin(开始)的过去分词
1.to start doing something; to start feeling or thinking something; to make an activity or process start or exist; to give your attention to something for the first time
2.to start happening or existing; if a sentence, book, etc. begins with a particular letter, word, etc., that is the first one in it; if a place begins somewhere, that is the first point where you consider it to be; if an activity or process begins with something, that is the first thing that happens in it; to start speaking