Bipositive
[医] 二正[原子]价的
🗣️ 情景例句
You must be excited.
您一定很兴奋。
How wide is this bridge?
这座桥有多宽？
The article began: 'Hundreds of steps lead to the high wall which surrounds the president's palace'.
“几百级台阶通向环绕总统的高墙。