A tremendous crash drowned his words. He lost his foothold in the breaking ice and dived for the side of the trench to pull himself up.

• 一阵巨大的轰鸣淹没了他的声音。他被碎冰汇成的冰流冲得站不住脚，但他挣扎着靠在了坑边才得以不被冲走。