as maturity approaches造句

• Lemon tetras exhibit an interesting behaviour pattern in the aquarium, replicated by several other characin species, in which males will adopt'landmarks'within the aquarium and use these as places from which to display as maturity approaches.
• As maturity approaches, a bond s price converges to its nominal amount, irrespective of the level of interest rates, and this may cause a bond s price to move in a different way to what would normally be expected.
• It's difficult to find as maturity approaches in a sentence. 用as maturity approaches造句挺難的