Every morning the kids say the Pledge of Allegiance in unison.

每天早晨孩子们齐声进行效忠宣誓。

《柯林斯英汉双解大词典》

Walking, the staff will help you in the things you buy, send you to the door, in unison to say thank you.

走的时候，店员会帮您拿着您买的东东，送您到门口，齐声的说谢了。

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During the presidential election of 1956 he announced he would train a giant flock of parakeets to fly over U.S. cities and say in unison "I like Adlai" referring to Adlai Stevenson, the Democratic presidential nominee.

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"Hi, Keith, " my fellow members say, but not in unison.

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