黑柱石是一种少见的含钙铁硅酸盐矿物.Ilvaite is a rare mineral of calcium - iron - bearing silicate.含铁硅酸盐矿物:有橄榄石 、 黑榴石、十字石 、 黑柱石 、 普通辉石等.III. silicate mineral contain iron , include olive stone, black column stone, common picrite etc....
Everyone has days when they feel dejected or down.每个人都有沮丧失意或情绪低落的时候。She looked so dejected when she lost the game.她输掉比赛时情绪显得非常低落。A man used to vicissitudes is not easily dejected.饱经沧桑,不易沮丧....
Success is not guaranteed. It is not handed to you. Success is earned.成功无法保证,并非唾手可得。成功必须靠自己去争取。Take a well-earned rest and go out and enjoy yourself.你理应休息一下,出去好好玩玩。The paper has earned respect for its investigative journ...
He was pacing the room like a caged animal.他像一头困兽一样在房间里走来走去.Aim : To synthesize carboxylate derivatives of caged bicyclic phosphate.目的: 合成笼状双环磷酸酯的羧酸酯衍生物.After the tiger was caught, it was caged.老虎被捉住后关进了笼子。Mark was still...