佳创兴2015
发表于 2021-7-22 22:00:07
7.22Oral english practce.
佳创兴2015
发表于 2021-7-25 21:18:23
7.25Cloud and Rian As the sun warms water, some water goes into water vapor. As the water vapor cools in the sky, water vapor changes into water drop. The tiny water drops form clouds.
libing
发表于 2021-7-26 16:32:28
佳创兴2015 发表于 2021-7-25 21:18
7.25Cloud and Rian As the sun warms water, some water goes into water vapor. As the wate ...
纠正cloud and rain
佳创兴2015
发表于 2021-7-26 21:19:58
好吧，写错了rain。
佳创兴2015
发表于 2021-7-26 21:22:33
7.26 高周波淬火设备、连续回火炉、Hradness scales and Testing.
佳创兴2015
发表于 2021-7-28 22:06:50
7.28 今天看，斜率， 斜率Y-截距方程，y=(m-0) x+ b, 散点图的概念。
佳创兴2015
发表于 2021-7-31 09:25:42
7.31 Learning English. WIFI password,location.
佳创兴2015
发表于 2021-7-31 22:38:07
佳创兴2015 发表于 2021-7-31 09:25
7.31 Learning English. WIFI password,location.
斜率 y-截距方程，散点图，线性方程，回归分析。