Two cell layers (diploblastic) separated by a gelatinous mesoglea.
两层细胞(两胚层),

凝胶状的
胶层。
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But there's more to The Ring than meets the eye because hidden underneath the four-story behemoth is a two-story parking garage finished with reflective white tile, domed ceilings, and traffic lights seamlessly integrated into the street signs.
圆环
魅力不仅止于眼前,因为在四

下隐藏着两
停车场,有着反光
白瓷砖、圆形天花板、和道路标志无缝配合
交通信号灯。
In the 1930s, Frank Lloyd Wright started building more modest and efficient houses — usually around 1,200 square feet — than the spreading two-story ones he had designed in the 1890s and the early 20th century.
20 世纪 30 年代,Frank Lloyd Wright 就开始致力于设计更加
小适中,生活更有效
房子——通常只有 1200 平方英尺——比他早在 19 世纪 90年代和 20 世纪初设计
两
建筑更小更有效。
The mayor of Ukraine's second city Kharkiv says at least three drones have hit populated areas of the city, one of them destroying two floors of a dormitory after 14 conflict-related deaths were reported nationwide on Monday.
乌克兰第二
城市哈尔科夫
市长说,至少有三架无人机袭击了该市人口稠密
地区,其中一架摧毁了一座宿舍
两
,周一全国报告有14人死于冲突。