Sulfidity
[化] 硫化度
🗣️ 情景例句
How ofter have met with our competitors?
你多久遭遇我们的竞争对手一次？
May I borrow your umbrella?
我能借你的雨伞吗？
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。