His ability to absorb information was astonishing, but his concentrationspan was short.
他吸收信息的能力让人惊讶，但他的注意力持续时间很短。
《柯林斯英汉双解大词典》
2
They're studying my books at school and they don't have the concentrationspan to cope.
他们在学校学习我的书，但他们不够专注，应付不来。
3
Big on ability but short on concentrationspan, this could be a significant season for Rio's little brother - not to mention Sunderland's best campaign in aeons.