以下是关于【地球上的水循环】的公开课/优质课视频，一共200个
34:4597-
42:1517 -
43:5161 -
46:1758 -
27:5748 -
1:39:20108 -
51:1728 -
44:1835 -
40:5756 -
41:5993 -
40:4339 -
06:0242 -
52:3533 -
54:51114 -
49:3978 -
47:10106 -
48:35132 -
51:4056 -
46:2083 -
47:13140 -
50:1729 -
57:54120 -
59:14115 -
52:1693 -
54:3195 -
42:129 -
1:27:37108 -
14:1936 -
00:5979 -
01:4287 -
04:4037 -
03:52140 -
43:4230 -
45:50115 -
46:2842 -
40:3224 -
06:26128 -
43:35104 -
06:1769 -
03:30126 -
38:0961 -
41:4411 -
04:325 -
50:0954 -
47:2749 -
47:5946 -
06:2659 -
06:5673 -
43:21129 -
45:4133 -
50:55117 -
47:59108 -
41:59105 -
47:2725 -
40:5767 -
41:56103 -
45:5061 -
40:3269 -
46:2832 -
41:5623 -
45:5070 -
40:5625 -
43:35138 -
43:4297 -
12:45129 -
08:4831 -
42:1251 -
27:5773 -
1:39:2071 -
46:1776 -
57:46107 -
2:42:1274 -
40:4336 -
40:21110 -
40:4019 -
23:31111 -
07:01132 -
39:5845 -
42:38135 -
34:45118 -
34:4516 -
10:30115 -
2:42:1281 -
10:55113 -
27:3547 -
10:5960 -
11:006 -
43:51121 -
42:1594 -
34:45107 -
40:23134 -
39:1734 -
46:16126 -
44:4878 -
23:4854 -
17:5947 -
47:5898 -
40:4076 -
19:50100 -
19:52133