Seleninyl
[化] 亚硒酰\\n[医] 亚硒酰
🗣️ 情景例句
Nice day, isn't it?
天儿真不错，你说呢？
What's so funny?
什么事那么好笑？
Is there any chance that we can substitute this for you?
这个可不可能使用代替品呢？