Nalcite
离子交换树脂
🗣️ 情景例句
Oh, you're a real Stewart!
噢， 是一个真正Stewart家的人
Does it really look OK?
看上去真的不错吗？
The elephant is not immediately susceptible to such blandishments, however,
然而大象不会立刻被这些讨好的话感动，而