noun🔗Share鲬鱼， Platycephalidae科鱼类 Any fish in the Platycephalidae family."The fisherman caught a flathead while fishing in the river. "那个渔夫在河里钓鱼时，钓到了一条鲬鱼。fishanimalChat with AIVocabulary GamePractice Reading
noun🔗Share沉头螺钉 (plural only "flatheads") A type of screw or bolt designed to fit in a countersink so that it sits flush with a surface."The carpenter used flatheads to attach the hinges to the door, so they wouldn't stick out. "木匠用沉头螺钉将合页安装到门上，这样它们就不会凸出来了。technicalitemmachineChat with AIVocabulary GamePractice Reading
noun🔗Share平头发动机 (plural only "flatheads") A type of engine that has the valves placed in the engine block beside the piston, instead of in the cylinder head, as in an overhead valve engine."My grandfather loves restoring old cars, especially those with flatheads because they're simpler to work on than modern engines. "我的爷爷喜欢修复老式汽车，尤其是那些使用平头发动机的，因为它们比现代发动机更容易修理。technicalmachinevehicletechnologyindustryChat with AIVocabulary GamePractice Reading
noun🔗Share扁头鲶鱼，叉尾鲶。 A large freshwater catfish native to North America, Pylodictis olivaris."My uncle loves to fish for flathead in the river, and he says they can grow to be very large. "我叔叔喜欢在河里钓扁头鲶鱼 (biǎn tóu nián yú)，他说这种鱼能长得非常大。fishanimalbiologynatureChat with AIVocabulary GamePractice Reading
