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1·He spoke in a monotone drawl.

他用慢吞吞又单调的语气说话。《牛津词典》

2·He spoke in a flat monotone.

他说话单调低沉。《牛津词典》

3·The evidence was read out to the court in a dull monotone.

证供被呆板地在庭上宣读了一遍。《柯林斯英汉双解大词典》

4·He was seen on TV delivering platitudes about the crisis in a monotone voice.

人们看到他在电视上念经似地就危机问题老调重弹。《柯林斯英汉双解大词典》

5·Thus the ideal lecture is one filled with facts and read in an unchanged monotone.

因此，理想的演讲应该是充满事实的、并以不变的单一语调进行的。

6·It's no boring monotone styles or basic bandeaux.

它不是无聊的单调风格或基本的束发带。

7·So it's not like the album is droningly monotone.

如此一来，整张专辑并不显得单调乏味。

8·The dual notion is called monotone or order-preserving.

对偶概念称为“单调”或“保序”。

9·No, you see is monotone trees.

不，你看到的是单调的树木。

10·Speak in a soft monotone.

用柔和的语调说话。

(1)monotone function单调函数；单弹数

(1)monotone increasing单调递增