Siegenite
块硫镍钴矿
🗣️ 情景例句
You go first.
你先来。
Soon ripe, soon rotten.
早熟早烂。
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。