你为什么认为数学书有那样的数学题呢? Why do you think that math books have so math problems? 艾米把数学书落在家了。 Amy had left her math book at home. 我正找我的'数学书,我找不到了。 I am reading a very interesting book, which is about mathematics. 英语书,语文书,数学书 English book, Chinese book, math book 昨天查了数学书:截距一定是正的,它是某一轴上坐标的绝对值。 Distance: The length or numerical value of a straight line or curve. 上一篇:will be 后面加什么时态 下一篇:have talked是什么时态 |