mainstay 专八

Agriculture is still the mainstay of the country’s economy.

业个国家经济的主要支柱。

He thinks he's a mainstay of the company, but he's really rather small beer.

他自以为公司的台柱, 但事实上他个微不足道的人。

Conclusions: At present, endoscopic sphenoidotomy is the mainstay of treatment for isolated sphenoid sinusitis.

但有免疫缺陷疾病者，容易并发眼窝和颅内合并症，预后较差。

Because they are strictly carnivorous,wolver hunt large animals such as elk and deer,as well as their mainstay,small animals such as mice and rabbits.

因为它们严格的肉食动物，野狼靠捕获小动物如野鼠、兔子作为主要食物来源，偶尔也会捕猎大型动物如麋、鹿。