2. The "seed" itself might be the tooth of a prehistoric shark. 这颗“种子”本身也许是一颗史前鲨鱼的牙齿。
3. Muscles and fins give the shark its speed and maneuverability in the water. 鲨鱼在水中凭借它的肌肉和鳍产生极高的速度以及灵活性。
1. any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough sk
2. a person who is ruthless and greedy and dishonest
3. a person who is unusually skilled in certain ways v.
1. play the shark; act with trickery
2. hunt shark