Warning: file_put_contents(): Only 0 of 5236 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 pounds per square feet例句_pounds per square feet英汉例句_pounds per square feet双解例句_菜篮子兴趣思朗文词典
But if we descend into the sea to a depth of 33 feet, the pressure on our bodies increases by 15 pounds extra per square inch. 但是，如果我们下降到海底深度达33英尺处，我们身体所承受的压力每平方英寸就会再增加15磅。 blog.sina.com.cn