Students in fifty schools are to act as guinea pigs for these new teaching methods.五十所学校的学生将作为这些新教学法的试验对象。Objective To investigate the enzymatic debridement effect of bromelain ointment on guinea pigs with third - degree...
英语伤我千百遍，我待英语如初恋。English has hurt me a thousand times, but I still regard it as my first love.学生常常赶数百英里的路来到这里。Students often travel hundreds of miles to get here.“史蒂夫，你要喝点什么？”——“可口可乐，百事，随便啦。”"Steve, what do you want?" — "...
Different animals in the colony had different manifestations of the disease.在这一群体里，这种疾病在不同的动物身上有着不同的表现。These were manifestations of the darker side of his character.这些是他性格阴暗面的表现.To be wordly - wise and play safe is one o...
The ship vanished into the depths.船消失在了大海深处。The magician vanished in a puff of smoke.魔术师在一股烟雾中突然不见了。Anne vanished from outside her home last Wednesday.安妮上周三突然在家门外失踪了。Near the end of Devonian times, thirty percent of all ...
化合物庚烷的主要用途是作为双基推进剂的增塑剂.The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.正庚烷异构化的难点在于高选择性地生成多侧链异庚烷和抑制异庚烷的裂化反应.However, it is difficult to produce multi branched i heptane and re...