Ferrophosphor
高磷铸铁
🗣️ 情景例句
Lacks maturity.
不成熟。
Do you fell better now?
你现在觉得好点了吗？
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。