見老屎說16 years ago看科學小原子，石頭互擊出現的臭味是臭氧!?另外，原來敲石引火的原理是壓電效應啊 This user is not your friend. Please be cautious of scams. 2 responses Show only author's response(s) Load all responses Load more older responses Load more responses New Response Register your Plurk account to respond to these plurks
