She only hazily remembered her last visit twenty years ago .
她只模糊地记得二十年前的最后一次访问。
How rapamycin works remains only hazily understood .
究竟雷帕霉素是怎样起作用的仍然不太清楚。
But those who have never suffered impairment of sight or hearing seldom make the fullest use of these blessed faculties . Their eyes and ears take in all sights and sounds hazily , without concentration and with little appreciation .
