Lowered sea levels exposed the shallow continental shelf beneath the Bering Sea.海平面下降使白令海底部的浅层大陆架暴露出来。How do people define the continental shelf?人们怎么确定陆架的范围的?The water above the continental shelf is moved by the tides an...

continental shelf的音标：continental shelf的英式发音音标为：[ˌkɔntə'nentl ʃelf]continental shelf的美式发音音标为：[ˌkɑntə'nɛntl ʃɛlf]...

n.大陆架...