Venomous mammals are comparatively rare .

有毒有哺乳动物是比较稀少的。

The tragedy of suicide remains a comparatively rare cause of death worldwide , thankfully .

自杀的悲剧仍然是比较罕见的死亡原因在全世界范围内谢天谢地。

It is comparatively simple to keep the school free from this worst of all evils .

使学校脱离这种所有邪恶中最坏的邪恶，相对来说比较简单。

This is a comparatively complex process , requiring a trained armorer or maintenance contact team .

然而安装这个装置是一件比较繁琐的事情，需要一个训练有素的军械士或者维护小组才能完成。

The real debt problem for greece is of comparatively recent vintage and connected to its integration into europe .

对希腊来说，真正的债务问题发生在相对较近的几年，与其融入欧洲有关。