Cationic catalyst
[化] 正离子催化剂
🧩 词语组成解析
[医] 阳离子的, 阴向离子的
🗣️ 情景例句
The global economy helps make the world smaller and smaller.
在全球经济的推动上，世界变得越来越小。
All your swans are geese.
你的美好希望（或诺言），全部成了泡影。
Many of the tourists on board had begun bargaining with the tradesmen, but I decide not to buy anything until I had disembarked.
船上许多游客开始同商贩讨价还价起来，但我打定主意上岸之前什么也不买。