n.支柱,柱石(mainstay的复数形式);
例句:
Fish and rice were the mainstays of the country's diet.
鱼和米是该国的主要食品。
Airway management, antibiotics and judicious surgical incision and drainage are the mainstays of successful therapy.
维持呼吸道, 抗生素之给予及审慎评估是否手术切开引流是能够成功治愈病人之主要因素.
These were the mainstays of her life.
这些就是她生活中主要寄托.