人们早已知道，如果材料的表面积足够大，可引起催化反应。It had been known for some time that chemical reactions can be catalyzed by materials with large surface areas.它们对被它们催化的反应有很强的专一性.They are highly specific for the reactions that they catalyze.在...
看看椅子的下面，检查一下它的实际构造。Check the actual construction of the chair by looking underneath.塑料面椅子的四角上有几道小裂缝。The plastic-covered seat has a few small splits around the corners.这把椅子的形状能随就座者的姿势而改变.This chair accommodates its shape ...
They sat in Germaine Rocher's salon watching the languid mannequins preen and simper.她们正坐在吉米·罗切的美术展览馆里,看着那些疲乏的服装模特炫耀服装和假笑.We collapsed a school and a home with 20 mannequins inside.试验中,一所学校和一幢住宅倒塌,20个人体模型受困于内.At fir...
It's late — it's time you toddled off to bed.不早了—你该去睡觉了.Her two - year - old son toddled into the room.她的两 岁 的儿子摇摇摆摆地走进屋里.He toddled over and pounced on the chicken.他蹒跚走来,伸手猛抓小鸡....
The capacity of the mixing cask is about forty - one cubic feet.混合箱的容积约等于41立方英尺.The average flow of the river is 200 cubic metres per second.这条河平均流量为每秒二百立方米.1.5 million cubic metres of earth were moved.共搬运土方150万立方米。Human...