The serum gastrin and the plasma motilin were examined by radioimmunoassay, and the gastric emptying rate was examined by B-ultrasonography.是什么意思_The serum gastrin and the plasma motilin were examined by radioimmunoassay, and the gastric emptying rate was examined by B-ultrasonography.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句