是低温使水变成冰的 吗 ?Is it the low temperature that turns the water to ice?这是雪和冰的结晶体.It is snow and ice crystals.覆盖着冰的路面对驾驶汽车的人是个危险的隐患.Icy roads are a hidden danger to motorists....
Previous evidence from animal studies suggests that hydroxychloroquine has an antidiabetic effect.以前的动物研究表明,羟基氯喹具有抗糖尿病作用.Objective To establish an HPLC method for separating nine antidiabetic drugs.目的建立一种能够同时分离九种降糖药物的HPL...
它的喷嘴抹了某种润滑油。Its nozzle was smeared with some kind of lubricant.将火柴放在煤气喷嘴上点燃煤气.Put a match to the jet to light the gas.她掉转喷嘴,让水花集中喷入小河.She turned the nozzle and the spray concentrated down to a stream....
I was woken up by someone grabbing hold of my sleeping bag.有人猛地抓住了我的睡袋，把我惊醒了。Bring a sleeping bag and foam mat.带上睡袋和泡沫垫。I unrolled my sleeping bag as usual.我像往常一样铺开我的睡袋。...