最具有经济价值的铁矿包括磁铁矿和赤铁矿.Iron ores of greatest economic interest contain magnetite and hematite.A-Fe2O3(赤铁矿 ) 是中子衍射最先研究的化合物之一.A - Fe 2 O 3 ( haematite ) was one of the first compounds to be studied by neutron diffraction.发现一种...
I am luckier than most. I have a job.我比大部分人幸运。我有份工作。I am luckier than most. I have a job...我比大部分人幸运。我有份工作。Some people are luckier in some things than others.有些人在有些事情上运气就是比别人好.'You are a luckier, if you mean that.�...
热带草原上的植物都需要一些扰动,要么经过火的洗礼,要么遭到羚羊的啃噬.Any savanna's plants need a burnt to the ground by fire or grazed by antelope.过火的,漏掉的,都有.In some cases there were excesses and in others counter - revolutionaries slipped through o...
The 160-metre falls mark the dramatic confluence of the rivers Nera and Velino.内拉河和韦利诺河的汇合处是落差达160米的瀑布，景象十分壮观。a confluence of artistry, superb choreography, and stage design.艺术技巧、优美的舞蹈和舞台设计的融合They built the city at the c...
观众反应不一，有人完全不能接受，也有人击掌叫好。The response of the audience varied from outright rejection to warm hospitality.在学校音乐会上,大家都为小提琴手喝彩叫好.Everyone cheered for the violinist at our school concert.观众连声叫好.The audience broke into loud ch...
在花粉形成过程中,花药内天然产生一种化合物.During pollen formation a compound is produced naturally in the anther.将花药筛到无光的 、 具渗透性的纸上, 如报纸或卫生纸, 以便花药干燥.Sift the anthers onto unglazed, permeable paper, such as newspaper or paper toweling, for d...