Vitrosin
玻璃体蛋白
🗣️ 情景例句
I can't express myself very well in English.
我用英语表达不好。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
l am vacuuming the floor now and have several shirts to iron.
我正在用真空吸尘器清理地板，还有好几件衬衫要熨。