"Melt down" What's Meaning?

Melt down What's Meaning? melt down是什么意思? what's that down polar caps M ：Are you taking Professor Webster's physics class?W ：Sure,when the polar caps melt. I'm down,down,down. It's hot enough to melt the hell .I'm hate it帮我翻译下····谢谢了 what's going on down there?怎么翻译最好 Let's go down,()()?(改为反意疑问句并写出同义句) What（）（） down? I failed my driving test again.I failed my driving test again.A.What shall I do?B.I’m down inI failed my driving test again.A.What shall I do?B.I’m down in spiritsC.What are you doing?D.What’s up? 英语翻译OK,come in and sit down!what'happening?We're having a meeting.That's news tome!I'm doing my homework.What's it about?剩下的也要写啊!帮个忙把! don't turn it down.it's a golden oportunity what is the mean?turn down 拒绝 That's what I'm talking about That's what I'm talking what's your_____ I'm a fireman 英语翻译What's all this about?He was runnin' down me town Elworth's barn burned down,but they saved what cattle--- were in the barn. 英语翻译I've got it all,but I fell so depriveI go up,I come down and I'm emptier insideTell me what is this thing that I fell like I'm missingAnd why can't I let goThere's gotta be more to life...Than chasing down every temporary high to satisfy M:I think I am coming down with a cold.W:Sorry to hear that.You'd better see a doctor对话是：M:I think I am coming down with a cold.W:Sorry to hear that.You'd better see a doctor and take some medicine What doesn't the woman suggest the man s