他闭上眼睛，张开嘴巴，伸直双腿，吊在那里，仿佛死了似的。
He closed his eyes, opened his mouth, stretched out his legs, and hung there, as if he were dead.
因为它们总是在游泳，所以金枪鱼只需要张开嘴巴，水就会被强行灌进它们的鳃里。
Because they are always swimming, tunas simply have to open their mouths, and water is forced in and over their gills.
当她震惊的时候，她会张开嘴巴，同时皱起眉头。
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