Thiosulphate
n. 硫代硫酸盐
🗣️ 情景例句
When was your last day off?
上次休假是在什么时候？
Skeleton
骸骨
If explosives are used, vibrations will cause the roof of the mine to collapse.
如果用炸药爆破，震动会引起矿顶塌落。