BBC在线收听下载:科学家称因脊髓受伤瘫痪患者有望恢复行动能力

短语讲解：

1. The lawyer said restrictions were placed on him then to prevent him associating with Islamic extremists and questions needed to be asked about whether he had breached them.

ask about 询问，打听; 打探
例句：Lastly, I would like to ask about your future plans
最后，我想问一下你未来的计划。

2. The money was designed to keep research going despite a lack of funding from Congress.

a lack of 缺乏，缺少
例句：I was hampered by a lack of information.
我受到了信息不足的牵累。