煤被干馏后剩下固体残余物:焦炭.Coal is destructively distilled leaving a solid residue, coke.蔬菜在煮之前要浸泡以清除农药残余物.Soak the vegetables to clear the remnant of pesticides before cooking.无生代岩石中不包含有机残余物.Azoic rocks don't contain organic ...
The Prime Minister pondered on when to go to the polls.首相斟酌着何时前往投票地点。She pondered over his words.她反复琢磨他的话。She pondered his marriage proposal for weeks.几个星期以来她认真地考虑着他的求婚....
他把一张芬兰地图钉在了墙上。He had pinned up a map of Finland.他奉令调离芬兰.He is under order to leave from Finland.瑞典同挪威.芬兰相邻.Sweden has frontiers with Norway and Finland....