melt down

基本解释

The Satanists are also now trying to exaggerate fears about nuclear fall-out and nuclear melt-down in Japan.
撒旦崇拜者如今正试图夸大对日本核扩散及核溶解的恐惧。
blog.sina.com.cn
According to Tokyo Electric Power Company said the Unit 2 near the level of radiation is on the rise, there might be some core melt-down phenomenon.
据东京电力公司透露，2号机组附近的辐射量等级正在上升，可能是出现了部分堆芯熔毁现象。
blog.sina.com.cn
The results showed that:wax melting rate decreased and complete melt-down time grew with the increasing in well depth at each method of displacement;
结果发现，三种驱替方式下，随着油井深度的增加，蜡样的熔解速度减缓，蜡样完全熔解时间延长；

But the snow does melt. Ice cold water travels down the mountains and forms several rivers -- the Gila River,the Green River, the Little Colorado,the San Juan, the Virgin and the Gunnison Rivers.

Given the entanglement of international debts and loans, one or two small countries actually defaulting could well create another financial melt-down similar to what followed the bankruptcy of Lehman Brothers.
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After all of the histrionics about a global financial melt-down, when you finally did what the President and his echoes in the media told you to do, risk premiums barely moved.
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But the recovery, critics say, given the depths of the worldwide economic melt-down of 2008, is far too anemic, and job growth too stunted, all because of cumbersome, growth-stifling laws and policies.
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If there is meltdown in a nuclear reactor, the fuel rods start melting because of a failure in the system, and radiation starts to escape.
The meltdown of a company, organization, or system is its sudden and complete failure.