观看视频,了解三个词组的不同含义,并完成练习。 To hear about: will include details. Hence this is used in news. (将包含详细信息。因此,多用于新闻。) To hear of: to be aware of - vaguely, but not necessarily know any details. (模糊地意识到,但不一定知道任何细节。) To hear from: to receive a letter, call, or other communication from someone(接收某人的来信、电话或其他通信)