所有来访者都应先到传达室报到。All visitors should report to the porter's lodge.我关照传达室不接见任何客人.I told the door - keeper to deny me to all callers.传达室有别人带给琼斯斯先生的信.There is a message for Mr. Jones at reception....
Essential components of free protein serum of cow injection are micromolecule active peptide and phosphoinositide oligosaccharide.小牛血清去蛋白注射液的主要成分是小分子激活肽和磷酸肌醇寡糖,临床上用于治疗缺血性脑血管病....