Bivalent cation
[机] 二价阳离子
🧩 词语组成解析
a. 二价的\\n[化] 二价的
cation
['kætaiən]
n. 阳离子;
🗣️ 情景例句
Because the job was not challenging enough.
因为那份工作挑战性不够。
Let us imagine a hypothetical case where we disagree.
让我们假设一个我们不同意的状况。
They help their parents to open their stockings, too.
他们还帮助父母打开他们的袜子。