behindhand造句怎么写

All are due to our behindhand mechanism of protecting plant and technology of spraying pesticide.

Our country's agriculture websites develop very quickly, but there are a lot of problems in them which are aroused by the behindhand infrastructural construction and empty of agriculture information.

My menstruation came 4 days behindhand, excuse me influential?

be behindhand with one's rent [payment]

Morality-primary, punishment-secondary" is a result from the behindhand law-culture in ancient China."