主要角色
main role───主体作用；主角；主要角色
role of───……的角色
the role of───...的作用，...的角色
main cause of───主要原因
main───adj.主要的，最大的，最重要的；n.(Main)（美）梅因（人名）；n.（输送水、煤气等的）总管道，主管道；(themains)（水、电等的）供应，供应系统；电源插座；海洋，公海；主帆（mailsail的简称）；（掷骰子游戏中）叫数；斗鸡比赛
main scene───主要景点；主场景；主体现场
main objectives───主要目标
prescribed role───规定的角色
lionesses role───母狮子的角色
As we all known, characters playing main role of some posters, in contrast, this one distinctly foucus on the picture.───正如我们所知道的，有的海报是以字为主，而有的这相反，很明显这幅图是以图为主的。
He has yet to show that he is a strong election campaigner-the main role of those with the Gandhi name, after all.───毕竟他还没有证明自己是个强劲的竞选人——在以甘地为名的那些人中起到主体作用。
main role of the broker is to route events from event producers to event consumers.───代理的主要作用是将事件从事件生产者路由到事件使用者。
The main role of red starter in ester-producing in liquor might be the provision of acids.───红曲能产生多种微量风味成分，可能是其提高酒质的主要原因；
Toothpaste in the main role of a clean, and not become a bubble interface active agent, but the so-called abrasives (abrasive).───牙膏在一个干净的主要作用，而不是成为一个泡沫的界面活性剂，但所谓的磨料（磨料）。
With the support of nonverbal communication symbols, verbal communication symbol system plays the main role of vitalizing net communication.───火星文包括非语言交际符号与语言交际符号两个并行的系统。
The main role of the National Judges is to judge the performance of the competitors on routes and boulders respectively.───国家（地区）裁判员的主要任务是判断选手在路线和抱石路线的表现。
IRM is considered as a lightweight solution because the main role of the engine is to provide life cycle management retention only.───IRM被认为是一种轻型的解决方案，因为引擎的主要作用仅仅是提供生命周期管理保持。
The main role of vitamin D is to maintain calcium levels in cells and bone metabolism, the researchers noted in the journal.───研究者在杂志上指出，维生素D的主要作用是维持细胞和骨代谢中的钙水平。
IRM is considered as a lightweight solution because the main role of the engine is to provide life cycle management retention only.
Traditionally, the main role of Customs is the collection of import and excise duties and the prevention of smuggling and trafficking in drugs.
IRM is considered a lightweight solution because the main role of the engine is to provide life cycle management retention only.
With the support of nonverbal communication symbols, verbal communication symbol system plays the main role of vitalizing net communication.