交换测试conversation: n. 1.会话,谈话;会谈 (on; about); ( ...test: n. 【动物;动物学】(软体类的)介壳,甲壳;【植物;植 ...be in conversation with: 与…谈话中conversation - no: 对话中选择否定对方in conversation with: 和...谈话下载手机词典可随时随地查词查翻译