In their first year at school, most children learn to add and subtract.入学第一年, 多数孩子都学加减法。The little girl has begun to learn to add and subtract.这小女孩已在学做加减法了.Please subtract a quarter of the money for your own use.请从你的零用钱中...
Subtract four from nine and you have five.九减四得五.The little girl has begun to learn to add and subtract.这小女孩已在学做加减法了.If you subtract 6 from 9, you will have 3.九减六等于三....
他开始用一种带有鼻音的、抑扬顿挫的声调说话。He started to speak in a nasal sing-song voice.“他可真是太好心了，”埃莉诺声调呆板地说道。"That's most kind of him," Eleanor said tonelessly.亲切的声调an amiable tone of voice...