I'm a senior here, so let me know if I can help you with anything.
我是大四的老生,有什么能帮忙的尽管说一声。
What's your general impression,may I ask?
不知您对我们厂总的印象如何?
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.