过渡词在托福 写作考试中可以分成两类，分别表示时间和空间。
1、表示时间的
af first 起初
after a while 一会儿
after that 那以后
after that 那以后
after/before dark 天黑后/前
afterward 后来
as a young man 当…… 是个年轻人的时候
as early as 早……的时候
as soon as 一……就……
at last 终于
at the age of… 在……岁的时候
before, the other day 几天前
earlier, until now 直到现在
early in the morning 大清早
eventually 最终
finally 最后
immediately 立即、马上
in no time 不一会儿
in the end 最后
lately 近来
later 后来
meanwhile=in the meantime=at the same time 在此期间、同时
next 接下来
one afternoon 一天下午
