third-grade teacher的意思|示意

中学西宾 中学二级西宾[初]second-grade teacher (secondary school) 中学西宾[初]third-grade teacher (secondary school) 小学初级西宾[中] senior teacher(primary school) ..

小学西宾 小学二级西宾[初] second-grade teacher (primary school) 小学西宾[初]third-grade teacher (primary school) 教授级初级工程师[正高]professor of engineering ..