许多地下激进组织开始遍及全国。
Many underground activist organizations began to spread far and wide throughout the country.
在许多国家，数以百万计的灌溉井现在从地下水源抽水的速度，超过了降雨所能再次填满的速度。
Millions of irrigation wells in many countries are now pumping water out of underground sources faster than rainfall can refill them.
它们通常由地下泉水供养，其中许多流自石灰岩山丘，如摩洛哥的阿特拉斯山脉。
These are generally fed by groundwater springs, and many issued from limestone massifs, such as the Atlas Mountains in Morocco.
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