Americyl
镅酰(離子), 雙氧镅(離子)
??? 情景例句
And give her a teaspoon of the medicine after every meal.
每餐之后給她吃一茶匙的藥。
We have thirty minutes to kill.
我們有三十分鐘空閑時間。
Are we going there by bus?
我們要乘公共汽車去嗎？