quick to notice; showing quick and keen perception
造句
用作形容詞(adj.)
Indeed, these former features will now be so glaringly obvious that the observer may suppose that some radical improvement has occurred in the observing conditions. 也許北部的邊緣變得亮了一些，火星也不再是均勻的橙色，但是仍然沒有什么值得注意的東西。