Lignosite
木素磺酸钙
🗣️ 情景例句
He graduated from medical school in 1960
他在一九六零年从医学院毕业，
Do you usually play baseball on the weekend?
你通常在周末打棒球吗？
But this hope is always in the realms of science fiction.
但是，这种希望总是只在科幻小说中存在。