今天我们要学的词是 buttress.

Buttress 的意思是支持。 The Trump administration's pressure against China is going strong, buttressed by a dramatic shift in opinion among the foreign-policy community, now increasingly critical of Beijing. 特朗普政府加大对中国的压力，与之相应的是外交政策圈的观点发生巨大变化，对北京的批评越发强烈。

Russia has launched a social media-based information campaign to buttress it claims of innocence as well as to press its accusations that Britain is in the grip of Russophobia, say Western analysts. 西方分析家表示，俄罗斯发起了社交媒体宣传攻势，为其清白无辜的说法提供支持，并指责英国陷入俄罗斯恐惧症。