Farnoquinone
金合欢醌, 维生素K2
🗣️ 情景例句
Be careful not to drink the water in__.
小心点儿，不要乱喝水。
How many years have you been playing pingpong?
你打乒乓球多少年了？
What's that, Jim? Is it a picture?
吉姆，那是什么？一张照片？