durable noun
a stone or brick structure that supports a wall: 扶壁, 支撑物; 支柱; 支持力量
verb
[VN] (formal) to support or give strength to sb/sth: The sharp increase
in crime seems to buttress the argument for more police officers on the
street. 支持或加强某事物
This is a good essay, but it needs a few more facts as a buttress to the conclusions.
She would continue, faithful and reliable, to buttress up Miss Bulstrode's successor.
I don't think they have any buttress behind them.