BBC一档关于科学方面的节目,非常合适练习英语听力的同学。
We take your questions about life, Earth and the universe to researchers hunting for answers at the frontiers of knowledge.
BBC一档关于科学方面的节目,非常合适练习英语听力的同学。
We take your questions about life, Earth and the universe to researchers hunting for answers at the frontiers of knowledge.