Underpinned
v. 用砖石结构等从下面支撑（墙等）( underpin的过去式和过去分词 ); 加固（墙等）的基础; 为（论据、主张等）打下基础; 加强
🗣️ 情景例句
Remember my apple pie on Thanksgiving?
记得在感恩节我做的苹果派吗？
Which one is heavier?
哪一个是较重的？
She didn't visit her step-mother much, though I believe that they used to speak on the phone from time to time.
她不常看望她的继母，虽然，我相信她们过去时不进在电话里聊一聊。