Kalium
n. 钾\\n[医] 钾(19号元素)
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
He can't dress himself yet because he's too young.
他还不能给他自己穿衣服因为他是太年轻的。
During all these tests Vera was blindfold;
在所有这些实验中，维拉的双眼都是蒙着的。