名词
中文翻译：主投手
同义词：
['main pitcher', 'primary pitcher例句：1. The main cast of the show is a group of actors.（这个节目的主要演员是一群演员。）2. The main casting director has been announced.（主要的选角导演已经宣布了。）']
例句：
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1. The main cast of the show is a group of actors.
这个节目的主要演员是一群演员。
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2. The main casting director has been announced.
主要的选角导演已经宣布了。
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3.The main cast will be performing at the opening ceremony.
主要演员将在开幕式上表演。