Alkaloids
(alkaloid 的复数) n. 生物碱\\n[化] 生物碱
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
I'm a federal employee. I work for the Department of Labor.
我是一个联邦雇员。 我为劳动部门工作。
It's very difficult to see where we're going and the shower may pass in an hour or two. Let's rest and have some food.
“现在很难看到我们要去的地方。阵雨可能一两个小时就会过去，我们休息一下吃点东西。”