large gull of the northern hemisphere 同义词：Larus argentatus,
例句与用法
1.
Scientists have discovered the tree mallow is choking puffin breeding sites on scottish islands and have warned that the plant could soon start killing off other seabirds , such as herring gulls and cormorants 科学家发现花葵正在扼杀海雀在苏格兰离岛上的繁殖地，并警告这种植物很快就会开始杀害其他的海鸟，如银鸥和鸬? 。
2.
At present , only puffins have been affected by the tree mallow ' s spread . however , researchers warn other ground - nesting seabirds could soon be affected , including herring gulls , black - backed gulls and cormorants 目前只有海雀受到花葵蔓延的影响。然而研究者警告其他地面筑巢的海鸟可能很快就会受到影响，包括银鸥、黑背鸥和鸬? 。
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