shoalとは何ですか?A shallow place in a body of water.A sandy elevation of the bottom of a body of water, constituting a hazard to navigation; a sandbank or sandbar.To become shallow: The river shoals suddenly here from eight to two fathoms. To make shallow: The approach to the harbor was shoaled in the storm. To come or sail into a shallower part of.Having little depth; shallow.A large group; a crowd.A large school of fish or other marine animals.To come together in large numbers; throng.