subtract的第三人称单数怎么写？

subtract的音标：subtract的英式发音音标为：[səb'trækt]subtract的美式发音音标为：[səb'trækt]...

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的现在进行时为：subtracting...

subtract的现在完成时为：subtracted...

subtract的一般过去时为：subtracted...

subtract的反义词有：add, add。vt. & vi.subtract的反义词（减,减去;去掉）：add。subtract的反义词（其他释义）：add。...

subtract的近义词/同义词有：deduct, take, withdraw, away, remove, discount, deduct, lessen, discount, take, remove, away, withdraw。vt.subtract的近义词（减去;扣除）：deduct, take, withdraw, away, remove, discount。subtract的近义词（其他释义）：deduct, le...

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....

vt.减去，扣除...