Underfeed
vt. 未喂饱, 从底部给(炉子等)加燃料\\n[机] 从下面送的, 下面给进
✅ 同义词
🗣️ 情景例句
He said he'll call you.
他说了他要给你打电话。
As the call, so the echo.
发什么声音，有什么回声。
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.
他们要在船舱里工作，切掉旧的金属，焊接新的金属板，钻孔，埋电线和电话线以及安装新的水管和蒸汽管。