Tumbleaf
氯酸钠
🗣️ 情景例句
It's hard to do anything but listen in this family.
在这个家庭 除了听别人之外还能怎样。
Will you take that library book back for me?
你能帮我把书还回图书馆吗？
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。