He knew his place in the pecking order.他知道自己排老几。It was winter and the sparrows were pecking at whatever they could find.时值冬季，麻雀啄食着能够找到的任何东西。Misty mountains, burbling brooks, pecking chickens and scampering dogs.山色空朦,溪水潺潺...
The deoxidization effect with hydrogen was superior to that with cyclohexene.氢气还原活化效果明显优于环己烯还原效果.Some traditional deoxidization methods andareand a new technique with externally applied voltage proposed in this paper.现有实...