详细解释:ad. 然后, 当时
conj. 然后, 当时
n. 那时
相关词组:
and then
and then some
but then
there and then
by then
from then on
since then
till then
英语解释：
名词 then:
that time; that moment形容词 then:
at a specific prior time副词 then:
subsequently or soon afterward (often used as sentence connectors)同义词：so, and so, and then