Lignosite
木素磺酸钙
🗣️ 情景例句
I'm glad you came by, Alexandra.
我很高兴你能来 Alexandra。
When did you get off work?
你什么时候下班？
They had laboured for three years to produce this floating work of art;
瑞典人辛辛苦苦干了3年才建成这件水上艺术品，