Article 18 When an experimental animal dies of an illness, the cause shall be investigated and ascertained in good time, and the case shall be properly handled and kept on file.是什么意思_Article 18 When an experimental animal dies of an illness, the cause shall be investigated and ascertained in good time, and the case shall be properly handled and kept on file.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句