Hexandial
己二醛
??? 情景例句
My, what a downpour! And there doesn't seem to be any sign of its stopping.
哎呀，好大的雨呀！沒有一點像要停的樣子。
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填寫
Beijing will be rainy. The temperature will be 2 to 9.
北京有雨。氣溫2C~9C。