Naotin
烟酸钠
🗣️ 情景例句
Let me try to work something out.
让我想个办法。
Will you take that library book back for me?
你能帮我把书还回图书馆吗？
This will relieve pressure on the trains to some extent.
这将在某种程度上减轻对火车的压力。