Undergirds
vt. 在底部加固（undergird的第三人称单数形式）
🗣️ 情景例句
Could you please give me a receipt?
给我一张发票。
Every horse thinks his sack heaviest.
每疋马认为自己驮的袋子重。
Maybe it was useful for some people, but it wasn't for me.
它可能对一些人有用，但对我没用。