passing from a more complex to a simpler biological form
returning to a former state
造句
用作名詞(n.)
Do I have faith retrogression, to sigh over Leihen heart! 難道我信念已經倒退后，心里盡嘆息滿淚痕！
The anti-Communist die-hards have their idea of unification,they want to unify us into splitting and retrogression. 反共頑固派有一套統一論，要我們統一于分裂，統一于倒退。
Slow growth equals stagnation and even retrogression. 低速度就等于停步，甚至等于后退。
The experience of the \\\"cultural revolution\\\" has already proved that chaos leads only to retrogression,not to progress,and that there must be good order if we are to move forward. 文化大革命的經驗已經證明，動亂不能前進，只能后退，要有秩序才能前進。
These characteristics are concretely reflected in Japan\\\'s retrogression and paucity of support and in China\\\'s progress and abundance of support. 這個特點的具體反映是日本的退步和寡助，中國的進步和多助。