Phosphonate
膦酸盐, 膦酸酯
🗣️ 情景例句
When would you be fond of receiving the call?
你喜欢什么时候叫您？
A watched pot is long in boiling.
心急水不沸。
Special days for Maori are called huis.
对于毛利人来说，特殊的日子叫做"会"。