1. Many saltationists were skeptical of the gradualist view of evolution.
许多唯信礼恩论者对渐进主义的进化观持怀疑态度。
2. The saltationist theory proposes that evolutionary changes occur through sudden and significant leaps.
唯信礼恩论者理论提出进化变化是通过突然而重大的跃迁发生的。