Nchs
[医][=National Center for Health Statistics]全国卫生统计中心，全国健康状况统计中心
🗣️ 情景例句
and I thought ... maybe ...
我觉得……也许……
Yes, he speaks English perfectly.
是,他能流利地说英语。
Bruce consulted the map once more and told us that the village was now only fifteen miles away.
布鲁斯又看了一眼地图，告诉我们那座村庄离我们只有15英里了。