试题题干
Translate the following sentence into Chinese.
So it seems that pigeons also have some extra sense of directions to use when they cannot see the sun.
参考答案
试题解析
考点：it seems that···似乎······；extra sense of directions别的方向感。
句子结构：that引导宾语从句，从句中 when they cannot see the sun为时间状语从句。