on several occasions是什么意思

on several occasions是什么意思 on two occasions是什么意思? 英语翻译on several occasions in the citadel Andrew manson meets in different occasions 还是on different occasions Charlie remenbered several occasions in the past__he had exp remembered several occasions in the past she had experienced 英语语法分析：on special occasions中的 on several是什么意思? She remembered several occasions in the past __ she had expe 英语翻译she rememberd several occasions in the past when she had several months是什么意思 several minutes是什么意思