Ion exchange column
[化] 離子交換柱
?? 詞語組成解析
ion
['ai?n]
n. <物>離子;
exchange
[?ks't?end?]
n. 交換;交易;交易所;兌換（率）;
vt. 交換，互換;兌換;交換，調換;
vi. 交換，替換;進行易貨貿易，作物物交換;[金融業(yè)]（貨幣）交換，兌換;
ex 表示\"出，出去\" + change交換，替換 → vt.交換；交流\r\nn.交換
column
['kɑl?m]
n. 縱隊，列;圓柱;專欄;
??? 情景例句
I've never been more relaxed.
我從來沒像這樣輕松過。
This offer remains open until 10th February, beyond which date the terms and prices should be negotiated anew.
此盤有效期至2月10日，超過此期限條件及價格需重新協(xié)商。
How old are you?
您多大歲數(shù)了？