Co-ions
[化] 同離子
?? 詞語組成解析
[醫] 鈷(27號元素)
n. 離子（ion復數）
??? 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成為經典。
Yes, I'm watching Channel 5.
是的，我在看5頻道。
I said I would be at your house at six o'clock, but the boss want me to do some extra work.
我說過我6點到你家，但老板要我加班。