Cation exchange
[机] 阳离子交换
🧩 词语组成解析
cation
['kætaiən]
n. 阳离子;
exchange
[ɪks'tʃendʒ]
n. 交换;交易;交易所;兑换（率）;
vt. 交换，互换;兑换;交换，调换;
vi. 交换，替换;进行易货贸易，作物物交换;[金融业]（货币）交换，兑换;
ex 表示\"出，出去\" + change交换，替换 → vt.交换；交流\r\nn.交换
🗣️ 情景例句
When do we see the reviews?
什么时候我们可以看到评论
Necessity (or Need) has (or knows) no law.
需要面前无法律。
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.
冬季即将来临，这些山丘对周围的村庄具有毁灭性的威胁，因为大雨不仅会冲走土壤，而且还会引起严重的水灾。