In college I majored in physics, What was you major?
大學(xué)時(shí)我主修物理,你主修什么呢?
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.
他們打開(kāi)強(qiáng)力弧光燈,看見(jiàn)一株株巨大的石筍,有的高達(dá)40英尺,像樹(shù)干似地向上長(zhǎng)著,與洞頂懸掛下來(lái)的鐘乳石相接。