1. 沉没：founder 奠基者 | foundering 沉没 | founding 铸造

2. 陷落：foul weather 坏天气 | foundering 陷落 | fountain spring 喷泉

3. 岩浆蚀顶作用：岩浆升蚀;岩浆顶蚀(作用) magmatic stoping | 岩浆蚀顶作用 foundering | 岩浆水 magmatic water

4. 沉没 保：撤资 decapitalize | 沉没 保 foundering | 陈旧资产 obsolete assets

noun

1. (of a ship) sinking

Synonym: going under