pen writing recording instrument

例句：

1. 1. The teacher askedthe students to write their names on theblackboard.
   老师要求学生们在黑板上写下他们的名字。
2. 2. The student wrote down theimportant points in his notebook.
   学生在他的笔记本上记下了重要的观点。
3. 3. Thedictator dictated hisspeech by speaking into a microphone.
   独裁者通过对着麦克风讲话来宣读他的演讲。