1·Because sloth bears are smaller than brown and polar bears and are under greater threat from dangerous animals, they may have adopted the extra precaution of carrying their cubs.
因为树懒的体型比棕熊和北极熊要小，而且面临着更大的来自危险动物的威胁，所以它们可能会带着幼仔采取额外的预防措施。
2·Those who fall sick easily should take extra precaution.
至于平常就较容易生病的人，就要更多加小心一些。
3·That's coastal areas of Hawaii and the western U. s... Hawaii still chose to issue an emergency evacuation as an extra precaution.
这是夏威夷和美国西部地区的海岸线。夏威夷为防患于未然仍通知紧急疏散。
4·As an extra precaution against an ongoing down market, Narayanan suggests building in a "margin of safety" : a 3 to 5 percent premium over the target hurdle rate.
作为对持续下跌的市场的额外预防措施，Narayanan建议建立“安全系数”：一个超过最低预期资本回收率3% - 5%的溢价。
5·As HABs have occurred frequently these years due to the extra nutrition of certain oceanic districts, it is high time we implemented the blue print of the precaution and controls.
近年来，海域富营养化现象不断加重，赤潮灾害发生频繁，防治工作实施刻不容缓。