floodgate|floodgates

工人们关闭了水闸以防止河水泛滥。

The workers closed the ___floodgate to prevent the river from overflowing.

新法规的出台为创新打开了闸门。

The new regulation opened the ___floodgates to innovation.

为了防止河水泛滥，工作人员关闭了水闸。

To prevent the river from overflowing, the workers closed the ___floodgates.