The children mostly concentrated on their work, Tom occasionally tutoring his younger brother on excatly how to make a plane that would fly the entire length of the room.
孩子们都全神贯注地忙着手上的活儿，汤姆不时地告诉弟弟怎样正确地制作一架能够穿行于整间屋子的飞机。
The children mostly concentrated on their work, Tom occasionally tutoring his younger brother on excatly how to make a plane that would fly the entire length of the room.
孩子们都全神贯注地忙着手上的活儿，汤姆不时地告诉弟弟怎样正确地制作一架能够穿行于整间屋子的飞机。
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