Come spring, when the ice melts, the methane bubbles pop and fizz in a spectacular release - but if anyone happens to light a match nearby, the masses of methane will ignite into a giant explosion.
当春天到来，冰雪消融时，这些沼气泡泡会嘶嘶作响，场景很是壮观——但是如果恰巧周围有人在划火柴，大量的沼气会引发一场巨大的爆炸。
In some parts of the world, days become warmer in spring and the snow melts. The water seeps into the ground and flows into streams and rivers.
在世界上某些地区，春天的日子变暖和，雪消融。水渗透到地里，流进江河。
In some parts of the world, days become warmer in spring and the snow melts. The water seeps into the ground and flows into streams and rivers.
在世界上某些地区，春天的日子变暖和，雪消融。水渗透到地里，流进江河。
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