Undergirding
v. 在底部加固( undergird的现在分词 ); 从底层支撑; 加强; 支持
🗣️ 情景例句
Is it that serious a problem, Grandpa?
这个问题有那么重要吗，爷爷？
Fill it up with premium, please.
请加满高级汽油。
No, she's much younger than I am. She only started here this term.
对，她年纪比我小得多。她是这个学期才进校学习的。