Heavier isotopes tend to be left behind when water evaporates from the ocean surfaces, the remaining oceanwater becomes progressively enriched in oxygen 18.
当水从海洋表面蒸发时,往往会留下较重的同位素,所以剩余的海水会逐渐富含氧18这种同位素。
2
The formation of the isthmus had important consequences for global patterns of oceanwater flow.
地峡的形成对全球洋流格局产生了重要的影响。
3
How did the dolphin's clicks get transmitted from its air-filled nasal sacs into the oceanwater?