河流转向东流时河道大幅度变宽。The river widens considerably as it begins to turn east.洛特河的河道蜿蜒曲折。The Lot river follows a winding and tortuous course.富有浪漫气息的庄园和城堡俯瞰着蜿蜒的河道。Romantic chateaux and castles overlook the river's twisting ...
Stir the batter every now and then to keep it from separating.不时搅动面糊，防止其成分散开。I like to smoke a big cigar every now and then.我喜欢不时地抽一支大雪茄.I see him every now and then, but not often.我偶尔看见他, 但不经常看见他....
使铜氧化变成氧化铜.Oxidize copper to copper oxide.硫化铜和氧化铜也是很抢眼的替代材料.Copper sulfide and copper oxide were also attractive candidates.氧化铜是由铜和氧组成的.Copper oxide is made up of copper and oxygen....