shoal
noun/ʃəʊl/
/ʃəʊl/
- a large number of fish swimming together as a group
鱼群 - shoals of herring
鲱鱼群 - Squid travel in shoals.
鱿鱼在浅滩中游动。
- shoals of herring
- a small hill of sand just below the surface of the sea
浅滩；水下沙洲 - The boat ran aground on a shoal.
船搁浅在浅滩上。
- The boat ran aground on a shoal.
Word Originsense 1 late 16th cent.: probably from Middle Dutch schōle ‘troop’. Compare with school sense 9.sense 2 Old English sceald (adjective), of Germanic origin; related to shallow.