At a W.H.O. news conference, Marie-Paule Kieny, chief of the W.H.O.'s vaccine research initiative, estimated that the world's vaccine makers had the capacity to make a maximum of one to two billion doses of a n...
I observed all day that Mr. Murdstone was graver and steedier than the two gentlemen.我看到,那一整天,枚得先生,比起那两个绅士来都沉默、稳重.It is possible that graver issues hang from it than might at first sight appear.可能它牵连的问题要比乍看起来更为严重.Otherwi...
Moby certainly has a fine ear for a tune.莫比无疑具有很好的乐感。Ishmael is the only survivor of the final confrontation with Moby Dick.在同莫比?狄克最后的较量中,唯一的幸存者是伊希梅尔.Melville incorporated in " Moby Dick " an exhaustive encyclopaedia of ...
The Dunhuang frescoes are gems of ancient Chinese art.敦煌壁画是我国古代艺术中的瑰宝.a crown studded with gems镶有宝石的皇冠These crystals occur in nature and are the gems known as rubies.这些晶体是天然存在的,人们称之为红宝石.One who cuts , polishes, or engrav...