CNN News:印尼强震海啸致土地液化 火山活动加剧

重点讲解：
1. in total 总共；总计；
The company lost US $5 million in total during the recession.
那家公司在不景气时总共亏损了500万美金。
2. come in 进来；到达；
He said he would not come in because he had a prior appointment, but he came after all.
他说他是不会来的，因为他事前有了约会，但他最终还是来了。
3. allow sb. to do sth./sb. be allowed to do sth. 允许；容许；准许；
If the soil is allowed to dry out the tree could die.
如果听任土壤变干，树木可能会枯死。
4. line up （使）（某一批人）排成行；（使）列队；
Registered you to be allowed to arrive there doctor to line up waits to see the doctor.
挂完号你就可以到医生那儿排队候诊了。