Quadrafos
[商]四磷酸钠
🗣️ 情景例句
Are you from Taiwan?
您是从台湾来的吗？
I look forward to receiving your reply.
我期待着你的答复。
Tazieff has often risked his life in this way.
塔捷耶夫经常冒这样的生命危险。