单词 | pectoral fin |
释义 | pectoral fin (once / 57656 pages) n WORD FAMILY pectoral fin: pectoral fins USAGE EXAMPLESWhale sharks have a unique pattern of white spots near their gills and pectoral fins, much like fingerprints. National Geographic(Nov 11, 2016) Thurman says the whale is 25 to 30 feet long, and said fishing gear appeared to be tangled its pectoral fins. Washington Times(Oct 28, 2016) Six albacore - known as “longfin tuna” because of their unusually lengthy pectoral fins - littered the boat floor after the first siege. Washington Times(Oct 01, 2016) n either of a pair of fins situated just behind the head in fishes that help control the direction of movement Hyper fin organ of locomotion and balance in fishes and some other aquatic animals |
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