adj.流逝的
动词elapse的过去式和过去分词.
Months have elapsed before I hear from my friend again. 好几个月过去後我才再次收到我朋友的信。
Three years have elapsed since we last met. 我们上次相见至今已过了三年。
Three years have elapsed since we met last time. 我们上次相见至今已经三年了。
v.复发；再陷入；故态复萌
n.再发；重陷；故态复萌
