We have found oil under the North Sea.（英译中)

The reason why we have to grow trees is that they can supply fresh air for us.（英译中)

The swallows nested under the eaves.（英译中)

China lies to the north of Vietnam.（英译中)

The archaeologists have found several human skeletons.（英译中)

Swimming in the sea is great fun.（英译中)

We found shelter from the rain under the