Cationic dyes
[化] 阳离子染料
🧩 词语组成解析
[医] 阳离子的, 阴向离子的
n. 染料, 染色（dye复数形式）
🗣️ 情景例句
And then he takes it back
然后 ，他就把它收回去
The short boy tried to peer over the desktop.
矮个子的男孩挣扎着要看到桌子的上面（有什么）。
The Native Americans caught and trained them and were then able to use them to carry their goods when they travelled from one camping ground to another.
美洲土著人捕捉野马，加以驯服。