The planetarium staff also prepared talks for radio broadcast.天文馆的工作人员还要准备讲稿给电台广播.On his days off, he takes them to the Museum of Natural History or the Planetarium.休假的日子里，他就带他们去自然历史博物馆或是天文馆。The motions of the stars can ...
His older brother , Kalan, was destined for the throne.伊索尔德是王母塔阿·丘姆的次子.Kalan called his assistant, Hashim, to take over while he went out...考兰叫助理哈希姆在自己外出时代理其职。His brother Kalan was kidnapped near the Terephon system.他的哥哥...
催化剂是一种能加速化学反应的物质.A catalyst is a substance which speeds up a chemical reaction.各种陶土管用作转化催化剂的载体.Various ceramic materials have been suggested as supports for reforming catalyst.经过泡水试验,催化剂应不开裂或破碎.To pass the water test the...
I'd cursed him and railed at him.我曾诅咒并且大声责骂过他。The cliff edge is dangerous and should be railed.崖边危险,应该用栏杆围起来.They have railed the meadows off from the new railway cutting.他们已用栏杆把草地和新铁道的路堑隔离开来....