Electroselenium
[医] 胶体硒
🗣️ 情景例句
It was on his birthday, June second, two years ago.
是在他生日那天。两年前的六月二日。
Which one is better?
哪一个是较好的？
We have got quite used to them.
对这些，我们已经司空见惯了。