common tern of Eurasia and America having white black and grey plumage 同义词：Sterna hirundo,
例句与用法
1.
In the case of fake sea swallow , the culprits are generally a group of three middle - aged males who will target other elderly males 兜售假海燕的骗子，通常是中年男子，三人一起犯案，向其他年长的男子下手。
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