1、frustrated a.灰心的,沮丧的 (修饰人) e.g. I felt frustrated at that time. 那时我觉得很沮丧。 2、 frustrating a. 令人灰心的,令人沮丧的.(修饰物,事件) e.g. Watching movies to learn English is frustrating because the people speak too...

发布时间：2026-03-23 浏览量：0