?粪坑
... bat dung 夜明砂(中药)... dung hole 粪坑,污水坑,渗水井... poultry dung 鸡粪 ...
?污水坑
污水坑
Dig a deep hole, add 60 kilos of dung and 60 litres of water every day, and you will generate enough methane for a 16-person household.
ECONOMIST: Missing trees reflect the country's woeful recent history
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。