Heptanal
[化] 庚醛
🗣️ 情景例句
Thanks for all your hospitality.
谢谢你的感情招待。
Silent men, like still waters, are deep and dangerous.
沈默的人像静水一样，深而难测。
Which would you like, tea or milk?
你喜欢哪样，茶还是牛奶？