He passed an electric spark through a mixture of gases.他让一束电火花穿过了一团混合气体。Some bright spark turned the heating off last night!某个聪明过头的家伙昨晚把暖气关了。His music lacked that vital spark of imagination.他的音乐缺少非常关键的那一点灵感。...
海鸠们潜到海水里去, 间或衔出覆有石油的海藻来筑窝.Guillemots dived into the sea, sometimes picking up oil - coated pieces of seaweed for their nests.北部海域的蹼足潜水海鸟;海雀;角嘴海雀;海雀科鸟;海鸠;等.Any of various small auks ( genus Aethia and related genera ) of ...