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
Will I have to wait long?
要很久吗？
Which one do you want?
你要哪一个？
He's already a little weak in Chinese.
他的中文已经有点儿弱了。