Dispirodecane
二螺癸烷
🗣️ 情景例句
know that I'm running for office
知道我正在竞选公职，
A fool attempting to be witty is an object of profoundest pity.
蠢人装聪明，实在最可怜。
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。