常見例句雙語例句The ivory gull often follows polar bears to feed on the remains of seal kills.象牙海鷗經(jīng)常跟在北極熊的后面吃剩下的海豹尸體。The history of America at sea is presented through the travels of Seabird, a carved ivory gull.主要通過海鳥:一個雕刻的乳白色的海鷗的海上游記來描述美國海上歷史。The report names three seabirds in jeopardy - the Kittlitz's murrelet, spectacled eider and ivory gull;報告中也將三種海鳥列入危險名單,他們是小嘴斑海雀、白眶絨鴨以及象牙海鷗。61.4.185.5 返回 ivory gull