早在(时间年)年前的(时间)
例如:早在八百年前的南宋时期 EarlyOver 800 years ago,主句活动 during the South Song Dynesty -> 主句活动as early as the Southern Song Dynasty more than 800 years ago
午夜零点时分 at midnight
最美的时节 The most beautiful time of this place -> the place is at its most beautiful in (月份/时间)
在那时
① 短语 by then,...
② 时间状语从句 (例子)April and May are the most beautiful seasons here, when the ocean displays a riot of colors.