...来说，学习英语是痛苦和快乐的 » All in all, for me, learning English is the pain and pleasure 冰足够厚 » Ice thick enough 别把油装在这个瓶子里 » Don't put the oil in the bottle ..
The Elfstedentocht takes place anytime the weather is cold enough that the canals connecting 11 cities in the province form a thick and relatively unbroken sheet of ice.