23.5858…还可以简写成______,它的循环节是______.
23.5858…还可以简写成23..5.8,它的循环节是58.
故答案为:23..5.8,58.
The bad weather made ____ difficult for the birds ______.
A.it; migrate
B.that; migrate
C.that; immigrate
D.it; to migrate
什么叫恩氏蒸馏、什么是恩氏蒸馏曲线?