have since been done sth 里面的since是什么意思?

来源：百度知道 编辑：UC知道 时间：2024/09/21 01:32:54
原句在新概念英语第二册第82课 Monster or fish.倒数第三行。

The fish,which has since been sent to a museum where it is being examined by a scientist,is called an oarfish.

不明白这里的since是什么意思，国外网站好像有这种用法。请指教~

since
adv.副词
其后，后来

"The fish, which has since been sent to a museum where it is being examined by a scientist, is called an oarfish."
"这条后来被送到一个博物馆,在那里接受一位科学家的观察、研究的鱼,名叫皇带鱼。"

since // adv.
(used with the present,
perfect or past perfect tense
与现在完成时或过去完成时连用)
1
from a time in
the past until a later past time, or until now
自…以後；从…以来 ： He left home two weeks ago and we haven't heard from him since.
他两周前离家外出，我们至今还没有他的音信。 ◊ The original building has
long since (= long before now) been demolished.
原来的建筑老早就拆了。

2
at a time after a
particular time in the past 此後；後来 ： We were divorced two years ago
and she has since remarried. 我们两年前离了婚，之後她又再婚了。

from oxford dictionary

鱼，已被送往博物馆，被一位科学家调查，被称为皇带鱼。
since：已经