1. 认识这个词（基础篇）
词：underpin
英英释义：to strengthen or support (something) from below
例句： The report is underpinned by ample research.
2. 体会这个词 （进阶篇）
“underpin”是动词，本意表示“用砖石结构等从下方支撑（建筑物）”，也常引申表示“巩固、支撑”“构成…的基础”。underpin 是一个灵活、高频、形象的表达，经常可以用来替换 justify, support 等词，我们从几个例句中掌握它的用法。
这份报道是经过充分研究得出的，就可以说成：
The report is underpinned by ample research.
我们常说“先做人再做事”，也就是说价值观是取得成功和幸福的基础，因此可以说成：
Our values underpin our long-term success and happiness.
《经济学人》中也经常用到 underpin，比如：
1）You might think that America’s clout comes from its 11 aircraft-carriers, 6,500 nuclear warheads or its anchor role in the IMF. But it is also the central node in the network that underpins globalisation.（这里的 underpin 写出了美国在全球化中的位置）
2）American officials also made clear that they view Huawei as a threat to national security, since it builds the telecoms networks that underpin modern societies.
3）The security of such systems is likely to be protected by blockchain, the technology that underpins cryptocurrencies like Bitcoin.
3. 从认识到会用（作业）
1）翻译下面的句子： 他用详实的数据支撑他的观点。
（参考翻译：He presented solid data/figures to underpin his argument.）
作业:
1. 他用详实的数据支撑他的观点。
He presented solid data/figures to underpin his argument.
2.他用行动来支撑他对她的爱。
He uses action to support her love.
