Nalcite
离子交换树脂
🗣️ 情景例句
You are a terrific instructor, Jack.
你真是个了不起的教练 Jack。
What are you gonna do?
你打算怎么办？
Jasper has put up 'No Parking' signs outside his gate, but these have not had any effect.
贾斯珀曾把几块“禁止停车”的牌子挂在大门外边，但没有任何效果。