Warning: file_put_contents(/home/www/wwwroot/ndsq.cn/cache/3a98ff1a4048d72d5a4cf0c16a709c64.txt): failed to open stream: No space left on device in /home/www/wwwroot/ndsq.cn/index.php on line 55 ostracum例句_ostracum英汉例句_ostracum双解例句_開心英語字典_柠咚词
For the middle layer shell (ostracum), also known as the prism of the (primatic layer) accounted for most of shellfish from Jiaozhuang calcite (cacalcite) pose. 外層皮膚從背部折皺成一層皮膜，叫做外套。外套把身躰包圍起來，竝分泌出石灰質。