Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子應是最經濟的尺碼,這些瓶子可免費保存兩個月。
Vipers (adders) and rattlesnakes manufacture the blood poison, which is known as haemolytic.
蝰蛇(蝮蛇)和響尾蛇產生血液毒素,稱為溶血性毒液。