英漢例句雙語例句Since 1990, the report said, pregnancy rates are down in almost every category.工作報告還指出,從1990年起,各個年齡段的懷孕率都呈下降趨勢。The currrent labels use a category system based on letters to show the risk of a drug during pregnancy.現(xiàn)有的葯品標(biāo)簽以目錄的形式標(biāo)明懷孕期間用葯的種種危險。Oseltamivir and zanamivir are "Pregnancy Category C" medications, indicating that no clinical studies have been conducted to assess the safety of these medications for pregnant women.奧司他韋和紥那米韋對孕婦來說是C類葯物,這說明還沒有臨牀研究來評估這些葯物對孕婦的安全性。pregnancy category更多例句