If you concentrate all your energies on the study of English, you will master the language.
你若全力以赴地學(xué)習(xí)英語,你會掌握這門語言的。
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.
他們打開強(qiáng)力弧光燈,看見一株株巨大的石筍,有的高達(dá)40英尺,像樹干似地向上長著,與洞頂懸掛下來的鐘乳石相接。