当胸，汉语拼音是dāng xiōng，指胸前。
另一个侧著身子，扭作一团，当胸拉开一个大口子。
The other was crumpled on his side with a great vent in his chest.
一曲终了，她们像企鹅一样交头接耳，然后一致点头，当胸划十字。
At the end of the song, they whispered together in a conspiracy of penguins, then nodded in unison as they crossed themselves.
医疗专家能够支持一些机构，比如美国肺病协会和美国胸科学会，当他们致力减少环境污染。
Health professionals can support organizations, such as the American Lung Association and the American Thoracic Society, as they endeavor to reduce air pollution.
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