noun 下载 🔗分享 Platytcephalus属鱼, 鲬鱼。 Any fish in the Platycephalidae family. Examples : "The marine biologist showed us pictures of various fish families, including the odd-looking flatheads with their flattened heads. " 这位海洋生物学家给我们展示了各种鱼类的照片，包括长相奇特的鲬鱼，它们的头部都是扁平的。 fish animal 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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. Examples : "The carpenter used flatheads to attach the countertop so the screws wouldn't stick out. " 木匠用沉头螺钉来固定台面，这样螺丝就不会突出来了。 technical item machine part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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. Examples : "The old tractor used flatheads, making it a bit slower than newer models. " 老式拖拉机用的是平头发动机，这使得它比新型号的拖拉机稍微慢一些。 technical machine vehicle technology part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 鲶鱼，扁头鲶 A large freshwater catfish native to North America, Pylodictis olivaris. Examples : "My uncle loves fishing for flatheads in the river because they can grow to be very big. " 我叔叔喜欢在河里钓扁头鲶，因为这种鱼能长得很大。 fish animal 与AI对话词汇游戏阅读练习
