As I watched, a gull flew by, above the spruces.在我观望的时候, 一只海鸥飞过云杉.The gull held the fish in its beak.海鸥嘴里叼着鱼。The ivory gull often follows polar bears to feed on the remains of seal kills.象牙海鸥经常跟在北极熊的后面吃剩下的海豹尸体。The wings ...
Several other sub-species of gull are found in the region.在该地区还发现了海鸥的其他亚种。The gull held the fish in its beak.海鸥嘴里叼着鱼。A lone sea gull flew across the sky.一只孤独的海鸥在空中飞过....
There were 2,250 policemen on duty in and around the stadium.在体育场内及周边有2,250名警察在值勤。Extra staff had been put on duty.编外人员已经就职。He's on duty twenty-four seven.他不分昼夜地天天上班。...