conjectural

conjectural criticism;

凭主观推测批评；

the extinction of dinosaurs are still highly conjectural; the supposed reason for his absence ; suppositious reconstructions of dead languages; supposititious hypotheses.

关于恐龙灭绝理论现在仍然是高度推测；他缺席设性原因；对已经死亡语言设性重建；设。