Here's a little Christmas riddle: Where does a Jumbo-sized Santa's helper keep his gifts.这是一个圣诞小谜语：大个子圣诞老人的助手将礼物藏在哪里？
The dung passes through 10)jumbo-sized 11)plumbing to a tank, where it is broken down to produce methane, the main 12)co大象粪便经由巨大的水管通到槽中，分解后可以生出天气然的主要成分——甲烷，这是烹调及家庭暖气普遍使用的能源。