Selenious
a. 二价硒的, 亚硒的
🗣️ 情景例句
I was wondering if you'd like to go to a movie with me.
不知道你是否有兴趣和我一起去看电影。
Only fifteen minutes.
只要15分钟。
If I place an order now, when would you be able to ship it?
如果现在下单子，什么时候可以出货？