Lignosite
木素磺酸钙
🗣️ 情景例句
The book is worth reading.
这本书值得一读。
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
Let me take a look at your shoulder. Where does it hurt?
让我看看你的肩膀。哪里疼？