Onium compound
[化] ┹类化合物(电负性元素)最高正价化合物
🧩 词语组成解析
a. [化]鎓的,络合阳离子的
🗣️ 情景例句
We used to catch crabs.
我们以前常捉螃蟹。
In books, are embalmed the greatest thoughts of all ages.
历代最伟大的思想都载入史册而不朽。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，