求翻譯：This distinction does not accord exactly with the historical development of theanimal protection movement, with progression towards radicalism. Even in the 19th century, for instance, there was an anti-vivisection movement seeking the abolition of scientific experiments on animals, which often found itself at loggerhea是什么意思？

待解決 懸賞分：1 - 離問(wèn)題結(jié)束還有