1.We originally had a two-month period, and the detectives requested the chief extend it to six months because they found in so many investigations.
extend to 延伸至;扩至;适用范围扩及;给与
The president's power extends to all parts of the whole country.
总统的权力及至全国各个方面 。
It was kind of you to extend an invitation to me.
你邀请了我,真好 。
The fence extends to the meadow.
篱笆一直延伸到牧草地 。
They extended a warm welcome to me.
他们热烈欢迎我 。