Sildenafil
n. 西地那非; [医]昔多芬, 一氧化氮样药物, 商品名Viagra（伟哥）
🗣️ 情景例句
I was the same way.
我当年也是这样。
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
We must thank Mr. Hu. He kept asking us to remember TEAMWORK.
我们得感谢胡老师。他反复告诫我们记住配合。