
可在乌云蔽日的时候,那些生物钟已经改变了的信鸽在沿正确的方向起飞前行方面仍像正常的鸽子那样,做得非常好。
考点:on very overcast days在乌云蔽日时;clock-shifted pigeon生物钟已经改变了的信鸽。
句子结构:on very overcast days为时间状语,主句为those clock-shifted pigeons are just as good as normal pigeons in starting out in the right directions.
