When it swam , the ancient creature moved like an otter , pushing back with its hind feet and undulating its spine and tail .
当它游泳的时候,这种古动物就像一只水獭,把它的后腿向后推,并摆动着它的脊椎和尾巴。
Someone bought a bridal chamber , adornment hind goes getting furniture .
某人买了一套新房,装饰后去领家具。
Had this sphinx his fore paws in crime and his hind paws in authority ?
这个斯芬克司是不是两只前爪踩在罪恶里,两只后爪踩在法律里呢?
Photo 16 : swift and agile , antarctic fur seals rely on their powerful front flippers to propel them through the water ; smaller hind flippers help with steering .