Epidemiologist
n. 流行病學(xué)家
??? 情景例句
Her health is improving markedly.
她的健康正顯著好轉(zhuǎn)。
Congratulations on your success.
恭喜你成功。
It is recounted of Thomas Carly1e that when he heard of the illness of his friend,
他聽說朋友病了，