1.Agriculture is still the mainstay of the country’s economy.
农业然是这个国家经济主要支柱。
2.He thinks he's a mainstay of the company, but he's really rather small beer.
他自以为是公司台柱, 事实上他是个微不足道人。
3.Conclusions: At present, endoscopic sphenoidotomy is the mainstay of treatment for isolated sphenoid sinusitis.
有疫缺陷疾病者,容易并发眼窝和颅内合并症,预后较差。
4.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.