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1·Or I can enjoy it while it lasts and depart with a smile and a headful of great memories.

或者，我享受它在的时光，带着微笑和满脑子的美妙回忆离开。

2·A combined strength of a headful of human hair is capable of supporting a weight equivalent to that of 99 people.

满头头发合在一起的力量可经得起99个人的重量。

3·A combined strength of a headful of human hair is capable of supporting a weight equivalent to that of 99 people.

满头头发合在一起的强度可经得起99个人的重量。