Warning: file_put_contents(): Only 0 of 8271 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58 watertower例句_watertower英汉例句_watertower双解例句_英語字典
The source regions of the Yellow River are crucial water resources in China and the important part of China's Watertower. 摘要黃河源頭區是我國重要的水源涵養地區，是“中華水塔”的重要組成部分。