0 made or left by a glacier -- 由冰河形成的;冰川造成的
glacial deposits 冰川沉积
glacial temperatures 极低的气温
a glacial period 极寒冷的时期
1 extremely unfriendly -- 冷若冰霜的,冷冰冰的,冷淡的
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。