waft off造句

• Good smells and bad smells are fundamentally no different from each other; both are merely volatile molecules wafting off an object and providing some clue as to the thing that emitted them
  好的气味和不好的气味基本来说没什么不同；两者都只是在人体飘出的散发性分子，它们提供一些有关释放者的线索。