The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid type ion exchange resin.所述的方法包括首先异丁烯用磺酸型离子交换树脂低聚生成二聚异丁烯....
盛着冰水的水罐表面在热天会结水珠.A pitcher of ice water sweats on a hot day.好嘞. 给您, 先生. 加冰水的苏格兰威士忌.OK. Here you are, sir. Scotch with iced water.冰水的温度可以视作是零摄氏度.The temperature of ice water can be estimated at zero degrees Celsius....
Magellan's circumnavigation of the earth proved that it is a globe.麦哲伦周游世界的事实说明地球是圆的.Magellan also put more than 30 other mutineers, including several noblemen, in chains, working hard labour.麦哲伦还镇压了30多名反叛者, 包括几个贵族,...