| 1. | Overhead satellites , diving robotic probes , buoys , sonar mapping , floating and underwater observatories and tagged ocean animals ( whose tags email scientists every day with an update as to where they ' ve been and what they ' ve been doing ) allow scientists to see more of the oceans than ever before
太空中的卫星、潜水机器探测器、浮标、声波定位仪、海面与海底实验室，以及被做了标记的海洋动物（这种标记能让科学家每天都得知这些动物到了那里，正在做什么）让科学家比以前对海洋有更多的了解。 |
