Undersong
n. 衬腔, 隐含的意义
✅ 同义词
🗣️ 情景例句
They are in Thessaloniki.
他们住在Thessaloniki
I can't stand summer weather.
我不能承受夏天天气。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。