Whether or not the new iceberg is a harbinger of the greenhouse effect,it is clearly a hazard for ships plying the southern seas,and so satellites and planes will keep a careful watch on it.

• 不论这座新冰山是否是温室效应的先兆，但很明显，这座冰山对于往来于南方海域的船只是一大危险，因此卫星及飞机都密切观察它的行踪。