從溫度變化分辨雪、霰、凍雨、雨... http://media.kjonline.com/images/image005.gif Tags: 0 comments 233 likes 21 shares Share this: 汪大久 About author not provided 汪大久 Albert Wang 明道中學校長 Mingdao High School Principal 物理老師 Science Teacher 童軍團長 Scout Master 前矽谷電腦工程師 used to be a computer engineer at Silicon Valley, CA 8069 followers 8079 likes View all posts