N a small greyish-brown North American grebe, Podilymbus podiceps, with a small bill 小型 (Also called pied-billed grebe, dabchick) [美国英语] [非正式]
SBC Helldiver地狱俯冲者
helldiver dumper掘进机组翻车机
helldiver shovel掘进机铲
helldiver carriage掘进机架
N(名词) a small greyish-brown North American grebe, Podilymbus podiceps, with a small bill 小型 (Also called pied-billed grebe, dabchick) [美国英语][非正式]