他在会议笔记本的边缘画满了小涂鸦。

He filled the margins of his meeting notebook with little ___doodles.

他开会时在笔记本上漫不经心地涂鸦。

He ___doodles randomly in his notebook during the meeting.

她在电话会议时随手画了些涂鸦。

She made some ___doodles during the conference call.