英语语法分析

By the end of World War II, during which its main aircraft was the Beaufighter used by the Royal Air Force, the company had 40, 000 employees.

二战期间，皇家空军一直在使用布里斯托尔生产的英俊战士（Beaufighter）重型战斗机，那时，公司拥有40，000名员工。