Underprop
n. 支撑物, 支柱\\nv. 支撑
✅ 同义词
🗣️ 情景例句
so I can study it.
以便我好好研究。
The greatest fool is he who worries about what he cannot help.
操心无法可想的事是最大的傻瓜。
They don't get enough air.
（那样）鱼得不到充足的空气。