Calcium ion
[医]钙离子
🧩 词语组成解析
ion
['aiən]
n. <物>离子;
🗣️ 情景例句
I feel bad
我觉得很不安
Think it over!
好好考虑一下吧！
By then, however, in many places the grass had already taken root.
然而到那时，很多地方的草已经生了根。