Varion
一种离子交换树脂
🗣️ 情景例句
Too much alcohol will spoil your health.
喝过量的酒有损健康。
Can I get a seat for today's 7:00 a.m. train?
我可以买到今天上午7点的火车座位吗？
Some of them were as big as marbles.
有的钻石像玻璃球那么大。