He beliewd that no class hour is a success unless the students and the piofessor share several chuckles and at least one loud laugh.是什么意思_He beliewd that no class hour is a success unless the students and the piofessor share several chuckles and at least one loud laugh.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句