dictation的复数形式怎么写？

The new secretary takes dictation very well.那位新秘书善于记录口授.The teacher gave the pupils dictation.教师让学生听写.I wrote the letter at his dictation.我照他的口述写信....

dictation的音标：dictation的英式发音音标为：[dɪk'teɪʃn]dictation的美式发音音标为：[dɪk'teʃən]...

dictation的近义词/同义词有：assertion, fiat, utterance, pronouncement, dictum, typescript, transcription, shorthand, order, charge, command, injunction, behest, enjoining, mandate, advice。n.dictation的近义词（发音,表达）：assertion, fiat, u...

I wrote the letter at his dictation.我照他的口述写信.He had had an arm amputated and relied on her to take down his books from dictation.他的一只胳膊截掉了，只能口授书的内容让她来记录。The new secretary takes dictation very well.那位新秘书善于记录口授.She is tran...

n.口授，听写，听写测验，命令...