Fluorosilicate
氟硅酸盐
🗣️ 情景例句
Mr Wang, I'd like you to meet my brother, Haitian.
王先生，我想请你见见我弟弟，海天。
We pitied the family in their sudden unhappiness.
那家人遭受突然的不幸，我们深感同情。
Police are wary of itinerants who cannot be traced to a recognized camp boundary or to four walls.
警察则对那些查不出有固定营地或住处的游荡者保持警惕。