We are going into the talks without preconditions.我们准备不带任何先决条件地参加谈判。

They insist on full withdrawal as a precondition for any cease-fire.他们坚持把完全撤军作为停火的前提。

They made multi-party democracy a precondition for giving aid.他们把实施多党民主作为给予援助的前提。

The drugs may precondition the organism to enhanced vulnerability to the environment.这些药物可以让有机体预先适应对环境增强的敏感性。